./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:49:40,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:49:40,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2023-12-02 20:49:40,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:49:40,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:49:40,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:49:40,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:49:40,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:49:40,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:49:40,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:49:40,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:49:40,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:49:40,679 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:49:40,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:49:40,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:49:40,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:49:40,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:49:40,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:49:40,682 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 20:49:40,683 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 20:49:40,683 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 20:49:40,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:49:40,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:49:40,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:49:40,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:49:40,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:49:40,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:49:40,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:49:40,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:49:40,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:49:40,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:40,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:49:40,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:49:40,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:49:40,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:49:40,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:49:40,689 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:49:40,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:49:40,690 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:49:40,690 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:49:40,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2023-12-02 20:49:40,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:49:40,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:49:40,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:49:40,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:49:40,907 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:49:40,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-12-02 20:49:43,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:49:43,806 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:49:43,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-12-02 20:49:43,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/4b810087a/8f912b1b1dab455a86d5752c20feb021/FLAGb1d72fec3 [2023-12-02 20:49:43,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/4b810087a/8f912b1b1dab455a86d5752c20feb021 [2023-12-02 20:49:43,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:49:43,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:49:43,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:43,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:49:43,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:49:43,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:43" (1/1) ... [2023-12-02 20:49:43,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79012455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:43, skipping insertion in model container [2023-12-02 20:49:43,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:43" (1/1) ... [2023-12-02 20:49:43,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:49:44,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:44,171 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:49:44,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:44,248 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:49:44,248 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:49:44,255 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:49:44,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44 WrapperNode [2023-12-02 20:49:44,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:44,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:44,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:49:44,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:49:44,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,306 INFO L138 Inliner]: procedures = 174, calls = 49, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 168 [2023-12-02 20:49:44,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:44,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:49:44,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:49:44,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:49:44,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:49:44,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:49:44,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:49:44,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:49:44,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (1/1) ... [2023-12-02 20:49:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:44,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:44,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:49:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:49:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 20:49:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 20:49:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:49:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:49:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:49:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:49:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:49:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:49:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:49:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:49:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:49:44,407 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:49:44,517 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:49:44,519 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:49:44,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:49:45,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:49:45,153 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 20:49:45,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:45 BoogieIcfgContainer [2023-12-02 20:49:45,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:49:45,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:49:45,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:49:45,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:49:45,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:49:43" (1/3) ... [2023-12-02 20:49:45,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0babd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:45, skipping insertion in model container [2023-12-02 20:49:45,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:44" (2/3) ... [2023-12-02 20:49:45,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0babd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:45, skipping insertion in model container [2023-12-02 20:49:45,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:45" (3/3) ... [2023-12-02 20:49:45,161 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-12-02 20:49:45,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:49:45,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-12-02 20:49:45,194 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:49:45,327 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:49:45,370 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:49:45,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:45,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:45,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:49:45,417 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:49:45,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-12-02 20:49:45,436 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31395654, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:45,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-12-02 20:49:45,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:45,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:45,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1930608898, now seen corresponding path program 1 times [2023-12-02 20:49:45,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:45,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430822011] [2023-12-02 20:49:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:46,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:46,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430822011] [2023-12-02 20:49:46,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430822011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:46,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:46,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227276059] [2023-12-02 20:49:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:46,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:49:46,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:46,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:49:46,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:49:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:46,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:46,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:49:46,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:46,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2140487707, now seen corresponding path program 1 times [2023-12-02 20:49:46,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:46,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104630129] [2023-12-02 20:49:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:46,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:46,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104630129] [2023-12-02 20:49:46,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104630129] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:46,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:46,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:49:46,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472700177] [2023-12-02 20:49:46,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:46,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:49:46,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:46,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:49:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:49:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:46,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:46,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:46,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:49:46,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:46,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:46,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2140487706, now seen corresponding path program 1 times [2023-12-02 20:49:46,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:46,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426327020] [2023-12-02 20:49:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:46,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:46,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426327020] [2023-12-02 20:49:46,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426327020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:46,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:46,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:49:46,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359816162] [2023-12-02 20:49:46,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:46,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:49:46,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:46,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:49:46,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:49:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:46,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:49:47,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:47,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,204 INFO L85 PathProgramCache]: Analyzing trace with hash 280670036, now seen corresponding path program 1 times [2023-12-02 20:49:47,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613764397] [2023-12-02 20:49:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:47,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:47,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613764397] [2023-12-02 20:49:47,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613764397] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:47,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:47,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:47,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482773138] [2023-12-02 20:49:47,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:47,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:47,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:47,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:47,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:47,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:47,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:49:47,496 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:47,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 280670037, now seen corresponding path program 1 times [2023-12-02 20:49:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574889443] [2023-12-02 20:49:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:47,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:47,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574889443] [2023-12-02 20:49:47,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574889443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:47,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:47,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502418967] [2023-12-02 20:49:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:47,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:47,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:47,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 20:49:47,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:47,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,773 INFO L85 PathProgramCache]: Analyzing trace with hash 280670038, now seen corresponding path program 1 times [2023-12-02 20:49:47,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882161269] [2023-12-02 20:49:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:47,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:47,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882161269] [2023-12-02 20:49:47,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882161269] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:47,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:47,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454336548] [2023-12-02 20:49:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:47,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:49:47,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:47,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:49:47,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:49:47,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:47,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 20:49:48,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:48,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:48,102 INFO L85 PathProgramCache]: Analyzing trace with hash 280670039, now seen corresponding path program 1 times [2023-12-02 20:49:48,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867647636] [2023-12-02 20:49:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:48,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:48,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:48,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867647636] [2023-12-02 20:49:48,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867647636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:48,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:48,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:48,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539194537] [2023-12-02 20:49:48,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:48,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:49:48,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:48,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:49:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:49:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:48,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:49:48,609 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:48,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash -859394944, now seen corresponding path program 1 times [2023-12-02 20:49:48,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:48,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489577612] [2023-12-02 20:49:48,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:48,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:48,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:48,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489577612] [2023-12-02 20:49:48,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489577612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:48,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:48,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:49:48,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926103423] [2023-12-02 20:49:48,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:48,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:49:48,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:48,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:49:48,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:49:48,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:48,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:48,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:48,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:48,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 20:49:49,270 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:49,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:49,271 INFO L85 PathProgramCache]: Analyzing trace with hash -859394943, now seen corresponding path program 1 times [2023-12-02 20:49:49,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:49,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796207178] [2023-12-02 20:49:49,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:49,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796207178] [2023-12-02 20:49:49,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796207178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:49,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:49:49,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460588319] [2023-12-02 20:49:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:49,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:49:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:49,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:49:49,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:49:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:49,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:49,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 20:49:50,072 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:50,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash 280703900, now seen corresponding path program 1 times [2023-12-02 20:49:50,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032110218] [2023-12-02 20:49:50,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:50,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032110218] [2023-12-02 20:49:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032110218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:50,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:50,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:50,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279337129] [2023-12-02 20:49:50,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:50,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:50,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:50,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 20:49:50,309 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:50,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash 280703901, now seen corresponding path program 1 times [2023-12-02 20:49:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454309896] [2023-12-02 20:49:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:50,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:50,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454309896] [2023-12-02 20:49:50,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454309896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:50,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:50,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:50,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652646603] [2023-12-02 20:49:50,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:50,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:50,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:50,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:50,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,388 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:50,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:50,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 20:49:50,557 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:50,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,557 INFO L85 PathProgramCache]: Analyzing trace with hash 280703903, now seen corresponding path program 1 times [2023-12-02 20:49:50,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352136001] [2023-12-02 20:49:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:50,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:50,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:50,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352136001] [2023-12-02 20:49:50,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352136001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:50,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:50,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:50,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125727430] [2023-12-02 20:49:50,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:50,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:49:50,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:50,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:49:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:49:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:50,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:50,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 20:49:51,123 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:51,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash 149450437, now seen corresponding path program 1 times [2023-12-02 20:49:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:51,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638634326] [2023-12-02 20:49:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:51,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:51,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638634326] [2023-12-02 20:49:51,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638634326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:51,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:51,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:49:51,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056448666] [2023-12-02 20:49:51,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:51,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:49:51,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:51,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:49:51,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:49:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:51,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:51,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 20:49:51,419 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:51,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1885770633, now seen corresponding path program 1 times [2023-12-02 20:49:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:51,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177829808] [2023-12-02 20:49:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:49:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177829808] [2023-12-02 20:49:51,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177829808] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:51,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128079980] [2023-12-02 20:49:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:51,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:51,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:51,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:51,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:49:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:52,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:49:52,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:49:52,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:49:52,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128079980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:52,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:49:52,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2023-12-02 20:49:52,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074009247] [2023-12-02 20:49:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:52,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:52,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:52,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:49:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:52,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:52,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:52,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:52,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:49:52,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:49:52,564 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:52,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash 149480228, now seen corresponding path program 1 times [2023-12-02 20:49:52,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:52,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249118264] [2023-12-02 20:49:52,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:53,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:53,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249118264] [2023-12-02 20:49:53,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249118264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:53,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:53,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:49:53,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293780758] [2023-12-02 20:49:53,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:53,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:49:53,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:49:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:49:53,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:53,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:53,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:53,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:53,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:49:53,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 20:49:53,592 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:49:53,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:53,593 INFO L85 PathProgramCache]: Analyzing trace with hash -716278862, now seen corresponding path program 1 times [2023-12-02 20:49:53,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:53,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660034063] [2023-12-02 20:49:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:54,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660034063] [2023-12-02 20:49:54,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660034063] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:54,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70744842] [2023-12-02 20:49:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:54,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:54,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:54,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:49:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:54,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 20:49:54,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:54,170 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-12-02 20:49:54,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-12-02 20:49:54,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-12-02 20:49:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:54,589 INFO L349 Elim1Store]: treesize reduction 40, result has 41.2 percent of original size [2023-12-02 20:49:54,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 87 [2023-12-02 20:49:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:54,628 INFO L349 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2023-12-02 20:49:54,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 85 [2023-12-02 20:49:54,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-12-02 20:49:54,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2023-12-02 20:49:54,932 INFO L349 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2023-12-02 20:49:54,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 80 [2023-12-02 20:49:55,059 INFO L349 Elim1Store]: treesize reduction 45, result has 48.9 percent of original size [2023-12-02 20:49:55,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 94 [2023-12-02 20:49:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:55,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:49:55,149 INFO L349 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2023-12-02 20:49:55,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 21 [2023-12-02 20:49:55,332 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-12-02 20:49:55,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 71 [2023-12-02 20:49:55,408 INFO L349 Elim1Store]: treesize reduction 38, result has 25.5 percent of original size [2023-12-02 20:49:55,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 77 [2023-12-02 20:49:55,446 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-12-02 20:49:55,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:49:55,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:49:55,647 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:186) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:543) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:522) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:515) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:326) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:49:55,651 INFO L158 Benchmark]: Toolchain (without parser) took 11820.25ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 118.3MB in the beginning and 189.1MB in the end (delta: -70.8MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,651 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:49:55,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.16ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 97.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 95.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,652 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 93.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,652 INFO L158 Benchmark]: RCFGBuilder took 816.19ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 60.8MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,652 INFO L158 Benchmark]: TraceAbstraction took 10494.19ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 60.1MB in the beginning and 189.1MB in the end (delta: -129.0MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. [2023-12-02 20:49:55,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.16ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 97.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 148.9MB. Free memory was 97.9MB in the beginning and 95.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 93.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.19ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 60.8MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10494.19ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 60.1MB in the beginning and 189.1MB in the end (delta: -129.0MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:49:55,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-12-02 20:49:55,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:49:57,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:49:57,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2023-12-02 20:49:57,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:49:57,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:49:57,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:49:57,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:49:57,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:49:57,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:49:57,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:49:57,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:49:57,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:49:57,902 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:49:57,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:49:57,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:49:57,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:49:57,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:49:57,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:49:57,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 20:49:57,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 20:49:57,907 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 20:49:57,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:49:57,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:49:57,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:49:57,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:49:57,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:49:57,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:49:57,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:49:57,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:49:57,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:49:57,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:49:57,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:49:57,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:57,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:49:57,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:49:57,913 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-02 20:49:57,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:49:57,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:49:57,914 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:49:57,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:49:57,915 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:49:57,915 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:49:57,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:49:57,915 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2023-12-02 20:49:58,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:49:58,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:49:58,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:49:58,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:49:58,224 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:49:58,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-12-02 20:50:00,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:50:01,236 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:50:01,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-12-02 20:50:01,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/c683d2ff1/47dc215abf5743f2a44253cefc97d2ef/FLAG834ca57d1 [2023-12-02 20:50:01,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/data/c683d2ff1/47dc215abf5743f2a44253cefc97d2ef [2023-12-02 20:50:01,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:50:01,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:50:01,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:50:01,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:50:01,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:50:01,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271ddbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01, skipping insertion in model container [2023-12-02 20:50:01,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:50:01,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:50:01,606 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:50:01,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:50:01,679 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:50:01,679 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:50:01,709 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:50:01,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01 WrapperNode [2023-12-02 20:50:01,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:50:01,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:50:01,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:50:01,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:50:01,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,791 INFO L138 Inliner]: procedures = 178, calls = 49, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 168 [2023-12-02 20:50:01,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:50:01,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:50:01,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:50:01,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:50:01,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:50:01,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:50:01,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:50:01,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:50:01,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (1/1) ... [2023-12-02 20:50:01,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:50:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:01,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:50:01,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:50:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:50:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 20:50:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 20:50:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:50:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:50:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:50:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:50:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:50:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:50:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 20:50:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:50:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:50:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:50:01,914 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:50:02,057 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:50:02,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:50:02,515 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:50:02,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:50:02,921 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 20:50:02,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:50:02 BoogieIcfgContainer [2023-12-02 20:50:02,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:50:02,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:50:02,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:50:02,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:50:02,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:50:01" (1/3) ... [2023-12-02 20:50:02,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325aba72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:50:02, skipping insertion in model container [2023-12-02 20:50:02,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:50:01" (2/3) ... [2023-12-02 20:50:02,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325aba72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:50:02, skipping insertion in model container [2023-12-02 20:50:02,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:50:02" (3/3) ... [2023-12-02 20:50:02,930 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-12-02 20:50:02,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:50:02,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-12-02 20:50:02,950 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:50:03,114 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:50:03,155 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:50:03,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:03,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:50:03,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:50:03,201 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:50:03,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-12-02 20:50:03,216 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@200a91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:03,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-12-02 20:50:03,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:03,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1930608898, now seen corresponding path program 1 times [2023-12-02 20:50:03,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:03,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250845848] [2023-12-02 20:50:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:03,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:03,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:03,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 20:50:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:04,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 20:50:04,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:04,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:04,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:04,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250845848] [2023-12-02 20:50:04,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250845848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:04,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:04,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:04,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253550062] [2023-12-02 20:50:04,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:04,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:50:04,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:04,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:50:04,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:50:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:04,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:04,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:50:04,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:04,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:04,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2140487707, now seen corresponding path program 1 times [2023-12-02 20:50:04,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:04,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855575948] [2023-12-02 20:50:04,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:04,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:04,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 20:50:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:04,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:50:04,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:04,482 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:50:04,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:04,539 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:50:04,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:50:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:04,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:04,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855575948] [2023-12-02 20:50:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855575948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:04,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293889591] [2023-12-02 20:50:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:04,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:04,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:04,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:04,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:04,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:04,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 20:50:05,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:05,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:05,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2140487706, now seen corresponding path program 1 times [2023-12-02 20:50:05,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:05,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976291490] [2023-12-02 20:50:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:05,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:05,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 20:50:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:05,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:05,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:05,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 20:50:05,260 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 20:50:05,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 20:50:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:05,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:05,275 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976291490] [2023-12-02 20:50:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976291490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:05,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:05,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:05,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014806987] [2023-12-02 20:50:05,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:05,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:05,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:05,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:05,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:05,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 20:50:06,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:06,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:06,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash 280670036, now seen corresponding path program 1 times [2023-12-02 20:50:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:06,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413700687] [2023-12-02 20:50:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:06,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:06,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:06,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:06,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 20:50:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:06,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:50:06,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:06,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-02 20:50:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:06,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:06,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:06,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413700687] [2023-12-02 20:50:06,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413700687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:06,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:06,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:06,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123060415] [2023-12-02 20:50:06,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:06,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:06,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:06,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:06,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:06,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:06,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 20:50:06,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:06,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:06,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:06,696 INFO L85 PathProgramCache]: Analyzing trace with hash 280670037, now seen corresponding path program 1 times [2023-12-02 20:50:06,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:06,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841161198] [2023-12-02 20:50:06,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:06,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:06,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:06,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:06,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 20:50:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:06,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:50:06,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:06,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:50:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:06,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:06,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:06,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841161198] [2023-12-02 20:50:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841161198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:06,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:06,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248235485] [2023-12-02 20:50:06,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:06,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:06,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:06,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:06,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 20:50:07,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:07,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:07,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:07,258 INFO L85 PathProgramCache]: Analyzing trace with hash 280670038, now seen corresponding path program 1 times [2023-12-02 20:50:07,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:07,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529457877] [2023-12-02 20:50:07,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:07,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:07,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:07,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 20:50:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:07,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:07,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:07,378 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 20:50:07,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-02 20:50:07,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:50:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:07,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:07,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:07,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529457877] [2023-12-02 20:50:07,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529457877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:07,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:07,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:50:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184078257] [2023-12-02 20:50:07,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:07,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:50:07,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:07,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:50:07,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:50:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:07,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:07,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:08,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 20:50:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:08,685 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:08,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash 280703900, now seen corresponding path program 1 times [2023-12-02 20:50:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563607274] [2023-12-02 20:50:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:08,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:08,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:08,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:08,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 20:50:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:08,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:50:08,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:08,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:08,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:08,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563607274] [2023-12-02 20:50:08,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563607274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:08,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:08,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:08,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979870718] [2023-12-02 20:50:08,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:08,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:08,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:08,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:08,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:08,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:08,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:08,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:09,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 20:50:09,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:09,254 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:09,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash 280703902, now seen corresponding path program 1 times [2023-12-02 20:50:09,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:09,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388808621] [2023-12-02 20:50:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:09,256 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:09,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 20:50:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:09,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:09,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:09,350 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:50:09,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:09,388 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:50:09,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:50:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:09,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:09,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:09,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388808621] [2023-12-02 20:50:09,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388808621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:09,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:09,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:09,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430913316] [2023-12-02 20:50:09,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:09,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:09,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:09,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:09,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 20:50:09,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:09,898 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:09,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 280703903, now seen corresponding path program 1 times [2023-12-02 20:50:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:09,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639546011] [2023-12-02 20:50:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:09,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:09,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:09,900 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:09,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 20:50:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:09,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:50:09,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:09,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 20:50:10,041 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 20:50:10,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 20:50:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:10,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:10,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:10,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639546011] [2023-12-02 20:50:10,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639546011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:10,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:10,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:10,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917715869] [2023-12-02 20:50:10,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:10,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:10,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:10,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:10,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:10,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:10,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-02 20:50:10,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:10,474 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:10,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:10,474 INFO L85 PathProgramCache]: Analyzing trace with hash 280703906, now seen corresponding path program 1 times [2023-12-02 20:50:10,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:10,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883852436] [2023-12-02 20:50:10,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:10,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:10,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:10,476 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:10,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-02 20:50:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:10,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:50:10,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:10,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-02 20:50:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:10,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:10,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:10,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883852436] [2023-12-02 20:50:10,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883852436] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:10,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:10,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:10,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959787624] [2023-12-02 20:50:10,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:10,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:10,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:10,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:10,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:10,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:10,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-02 20:50:10,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:10,974 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:10,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash 280703907, now seen corresponding path program 1 times [2023-12-02 20:50:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481616198] [2023-12-02 20:50:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:10,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:10,976 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:10,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-02 20:50:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:11,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:50:11,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:11,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:50:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:11,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:11,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:11,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481616198] [2023-12-02 20:50:11,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481616198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:11,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:11,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:11,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752921590] [2023-12-02 20:50:11,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:11,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:11,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:11,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:11,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,067 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:11,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:11,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-02 20:50:11,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:11,860 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:11,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash 149480224, now seen corresponding path program 1 times [2023-12-02 20:50:11,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:11,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207247351] [2023-12-02 20:50:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:11,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:11,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-02 20:50:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:11,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:50:11,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:11,985 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:50:11,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:12,045 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:50:12,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:50:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:12,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:12,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:12,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207247351] [2023-12-02 20:50:12,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207247351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:12,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:12,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:12,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329469778] [2023-12-02 20:50:12,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:12,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:12,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:12,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:12,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:12,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:12,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-12-02 20:50:12,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:12,554 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:12,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:12,555 INFO L85 PathProgramCache]: Analyzing trace with hash 149480225, now seen corresponding path program 1 times [2023-12-02 20:50:12,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:12,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679686748] [2023-12-02 20:50:12,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:12,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-02 20:50:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:12,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:12,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:12,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 20:50:12,697 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 20:50:12,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 20:50:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:12,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:12,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679686748] [2023-12-02 20:50:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679686748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:12,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:12,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:12,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738663716] [2023-12-02 20:50:12,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:12,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:12,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:12,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-12-02 20:50:13,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:13,193 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:13,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 149480228, now seen corresponding path program 1 times [2023-12-02 20:50:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:13,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684268509] [2023-12-02 20:50:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:13,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:13,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:13,195 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:13,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-02 20:50:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:13,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 20:50:13,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:13,311 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 20:50:13,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-02 20:50:13,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:50:14,426 INFO L349 Elim1Store]: treesize reduction 222, result has 34.5 percent of original size [2023-12-02 20:50:14,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 478 treesize of output 540 [2023-12-02 20:50:14,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-12-02 20:50:16,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-12-02 20:50:16,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-12-02 20:50:16,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-12-02 20:50:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:16,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:50:16,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2023-12-02 20:50:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:50:16,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:50:16,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 204 [2023-12-02 20:50:17,159 INFO L349 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2023-12-02 20:50:17,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 18 case distinctions, treesize of input 483 treesize of output 568 [2023-12-02 20:50:20,674 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-12-02 20:50:20,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 131 [2023-12-02 20:50:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:20,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 21 [2023-12-02 20:50:20,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2023-12-02 20:50:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:20,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:20,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:20,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684268509] [2023-12-02 20:50:20,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684268509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:20,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:20,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:50:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741937027] [2023-12-02 20:50:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:20,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:50:20,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:50:20,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:50:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:20,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:20,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:21,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-02 20:50:21,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:21,745 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:21,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:21,746 INFO L85 PathProgramCache]: Analyzing trace with hash -716278862, now seen corresponding path program 1 times [2023-12-02 20:50:21,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:21,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102293039] [2023-12-02 20:50:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:21,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:21,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:21,747 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:21,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-02 20:50:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:21,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 20:50:21,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:21,875 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-02 20:50:21,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-12-02 20:50:21,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:50:21,976 INFO L349 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2023-12-02 20:50:21,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-12-02 20:50:22,165 INFO L349 Elim1Store]: treesize reduction 56, result has 30.9 percent of original size [2023-12-02 20:50:22,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 94 [2023-12-02 20:50:22,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-12-02 20:50:22,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 20:50:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:22,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:50:22,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 11 [2023-12-02 20:50:22,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 20:50:22,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:50:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:22,441 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:50:22,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-12-02 20:50:22,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-12-02 20:50:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:23,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102293039] [2023-12-02 20:50:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102293039] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:50:23,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:50:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2023-12-02 20:50:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295258117] [2023-12-02 20:50:23,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:50:23,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:50:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:50:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:50:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:23,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:23,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:23,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:27,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:50:27,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-12-02 20:50:27,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:27,531 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:27,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:27,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2103773276, now seen corresponding path program 1 times [2023-12-02 20:50:27,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:27,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548115528] [2023-12-02 20:50:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:27,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:27,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:27,533 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:27,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-02 20:50:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:27,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:50:27,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:27,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-12-02 20:50:27,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 20:50:27,670 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-12-02 20:50:27,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-12-02 20:50:27,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2023-12-02 20:50:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-12-02 20:50:27,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:50:27,694 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-12-02 20:50:27,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-12-02 20:50:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-12-02 20:50:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:50:27,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-12-02 20:50:27,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:50:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-12-02 20:50:27,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:27,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:50:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:50:27,759 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:27,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548115528] [2023-12-02 20:50:27,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548115528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:27,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:27,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:50:27,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958524398] [2023-12-02 20:50:27,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:27,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:50:27,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:27,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:50:27,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:50:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:27,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:27,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:50:27,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:29,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:50:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:50:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:30,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-02 20:50:30,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:30,777 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err18ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:30,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:30,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1285178433, now seen corresponding path program 1 times [2023-12-02 20:50:30,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:30,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513900879] [2023-12-02 20:50:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:30,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:30,779 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:30,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-02 20:50:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:30,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:50:30,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:30,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:50:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:50:30,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:30,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513900879] [2023-12-02 20:50:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513900879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:50:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920508346] [2023-12-02 20:50:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:30,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:50:30,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:50:30,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:50:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:30,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:30,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:50:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:50:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:50:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 38 remaining) [2023-12-02 20:50:31,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err37ASSERT_VIOLATIONMEMORY_LEAK (29 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONMEMORY_LEAK (24 of 38 remaining) [2023-12-02 20:50:31,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 38 remaining) [2023-12-02 20:50:31,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 38 remaining) [2023-12-02 20:50:31,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 38 remaining) [2023-12-02 20:50:31,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 38 remaining) [2023-12-02 20:50:31,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 38 remaining) [2023-12-02 20:50:31,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-12-02 20:50:31,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:31,757 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:50:31,759 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-12-02 20:50:31,762 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:50:31,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:31,763 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:50:31,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2023-12-02 20:50:31,767 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:50:31,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:50:31,768 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@200a91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:31,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:50:32,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2023-12-02 20:50:32,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1931184793, now seen corresponding path program 1 times [2023-12-02 20:50:32,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:32,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163967128] [2023-12-02 20:50:32,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:32,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:32,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:32,010 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:32,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-02 20:50:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:50:32,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:50:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:50:32,119 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-02 20:50:32,120 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:50:32,120 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2023-12-02 20:50:32,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2023-12-02 20:50:32,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2023-12-02 20:50:32,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2023-12-02 20:50:32,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-12-02 20:50:32,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:32,321 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 20:50:32,322 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2023-12-02 20:50:32,322 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:50:32,322 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 20:50:32,442 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:50:32,446 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:32,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:50:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:32,447 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:50:32,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Waiting until timeout for monitored process [2023-12-02 20:50:32,451 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:50:32,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:50:32,452 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@200a91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:32,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:50:32,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2023-12-02 20:50:32,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1529028734, now seen corresponding path program 1 times [2023-12-02 20:50:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:32,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548166826] [2023-12-02 20:50:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:32,926 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:32,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-02 20:50:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:50:33,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:50:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:50:33,065 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-02 20:50:33,065 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:50:33,065 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2023-12-02 20:50:33,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining) [2023-12-02 20:50:33,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 4 remaining) [2023-12-02 20:50:33,066 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2023-12-02 20:50:33,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2023-12-02 20:50:33,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:33,267 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 20:50:33,267 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2023-12-02 20:50:33,267 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 20:50:33,268 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-12-02 20:50:33,401 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:50:33,404 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:33,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:50:33,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:33,405 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:50:33,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Waiting until timeout for monitored process [2023-12-02 20:50:33,409 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:50:33,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-12-02 20:50:33,410 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@200a91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:50:33,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-12-02 20:50:34,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:34,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:34,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1020273235, now seen corresponding path program 1 times [2023-12-02 20:50:34,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:34,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491315480] [2023-12-02 20:50:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:34,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:34,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:34,291 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:34,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-02 20:50:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:34,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 20:50:34,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:34,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:34,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491315480] [2023-12-02 20:50:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491315480] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:34,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:34,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:34,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878459593] [2023-12-02 20:50:34,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:34,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:50:34,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:34,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:50:34,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:50:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:34,429 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:34,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:34,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:34,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-12-02 20:50:34,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:34,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:34,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:34,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1491108564, now seen corresponding path program 1 times [2023-12-02 20:50:34,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:34,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520910246] [2023-12-02 20:50:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:34,673 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:34,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-02 20:50:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:34,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:50:34,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:34,841 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:50:34,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:34,949 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:50:34,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:50:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:34,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:34,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520910246] [2023-12-02 20:50:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520910246] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:34,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:34,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440069554] [2023-12-02 20:50:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:34,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:34,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:34,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:34,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:34,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:34,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:35,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-12-02 20:50:35,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:35,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:35,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1491108565, now seen corresponding path program 1 times [2023-12-02 20:50:35,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:35,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749257910] [2023-12-02 20:50:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:35,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:35,927 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:35,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-02 20:50:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:36,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:36,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:36,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 20:50:36,147 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 20:50:36,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 20:50:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:36,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:36,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:36,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749257910] [2023-12-02 20:50:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749257910] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:36,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:36,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656508774] [2023-12-02 20:50:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:36,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:36,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:36,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:36,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:36,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:36,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:36,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2023-12-02 20:50:51,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:51,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:51,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:51,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1563694525, now seen corresponding path program 1 times [2023-12-02 20:50:51,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:51,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745289363] [2023-12-02 20:50:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:51,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:51,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:51,610 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-02 20:50:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:51,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:50:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:51,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-02 20:50:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:51,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:51,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:51,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745289363] [2023-12-02 20:50:51,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745289363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:51,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:51,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:51,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437133620] [2023-12-02 20:50:51,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:51,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:51,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:51,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:51,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:51,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2023-12-02 20:50:53,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:53,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:53,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:53,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1563694524, now seen corresponding path program 1 times [2023-12-02 20:50:53,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:53,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828683859] [2023-12-02 20:50:53,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:53,823 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:53,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-12-02 20:50:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:53,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:50:53,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:53,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:50:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:53,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:53,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828683859] [2023-12-02 20:50:53,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828683859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:53,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:53,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:50:53,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245788855] [2023-12-02 20:50:53,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:53,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:53,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:53,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:53,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:53,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:53,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:53,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:53,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:53,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:55,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2023-12-02 20:50:55,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:55,847 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:50:55,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:50:55,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1563694523, now seen corresponding path program 1 times [2023-12-02 20:50:55,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:50:55,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552066825] [2023-12-02 20:50:55,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:55,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:50:55,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:50:55,849 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:50:55,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-02 20:50:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:55,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:50:55,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:55,979 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:50:55,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:56,045 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:50:56,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:50:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:50:56,062 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:50:56,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:50:56,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552066825] [2023-12-02 20:50:56,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552066825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:50:56,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:50:56,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:50:56,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700361969] [2023-12-02 20:50:56,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:50:56,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:50:56,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:50:56,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:50:56,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:50:56,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:56,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:50:56,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:50:56,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:03,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-12-02 20:51:03,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:03,837 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:51:03,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1563694522, now seen corresponding path program 1 times [2023-12-02 20:51:03,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:03,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28071114] [2023-12-02 20:51:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:03,839 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:51:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-12-02 20:51:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:03,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:51:03,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-02 20:51:04,080 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-12-02 20:51:04,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-12-02 20:51:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:51:04,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:04,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:04,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28071114] [2023-12-02 20:51:04,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28071114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:04,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:04,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:51:04,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165805064] [2023-12-02 20:51:04,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:04,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:04,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:04,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:04,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:04,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:04,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2023-12-02 20:51:10,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:10,274 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:51:10,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:10,274 INFO L85 PathProgramCache]: Analyzing trace with hash -806462673, now seen corresponding path program 1 times [2023-12-02 20:51:10,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:10,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332292636] [2023-12-02 20:51:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:10,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:10,276 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:51:10,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-02 20:51:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:10,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:51:10,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:10,418 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:51:10,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:51:10,486 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:51:10,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:51:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:51:10,515 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:10,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332292636] [2023-12-02 20:51:10,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332292636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:10,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:10,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:51:10,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920374082] [2023-12-02 20:51:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:10,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:51:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:10,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:51:10,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:51:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:10,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:10,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:10,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:17,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2023-12-02 20:51:17,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:17,596 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:51:17,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:17,596 INFO L85 PathProgramCache]: Analyzing trace with hash -806462672, now seen corresponding path program 1 times [2023-12-02 20:51:17,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:17,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550633921] [2023-12-02 20:51:17,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:17,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:17,597 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:51:17,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-02 20:51:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:17,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 20:51:17,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:17,733 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 20:51:17,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-02 20:51:17,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:51:17,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:51:17,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:51:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:51:17,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 20:51:17,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:17,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550633921] [2023-12-02 20:51:17,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550633921] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:51:17,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:17,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-02 20:51:17,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618638543] [2023-12-02 20:51:17,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:51:17,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:51:17,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:17,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:51:17,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=23, Unknown=4, NotChecked=0, Total=42 [2023-12-02 20:51:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:17,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:17,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:17,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:17,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:58,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2023-12-02 20:51:58,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:58,200 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:51:58,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:51:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash 692611956, now seen corresponding path program 1 times [2023-12-02 20:51:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:51:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056264602] [2023-12-02 20:51:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:51:58,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:51:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:51:58,202 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:51:58,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-12-02 20:51:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:51:58,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 20:51:58,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:51:58,345 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-02 20:51:58,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 20:51:58,479 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 20:51:58,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2023-12-02 20:51:58,629 INFO L349 Elim1Store]: treesize reduction 58, result has 28.4 percent of original size [2023-12-02 20:51:58,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 36 [2023-12-02 20:51:58,706 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 20:51:58,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2023-12-02 20:51:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:51:58,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:51:58,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:51:58,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056264602] [2023-12-02 20:51:58,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056264602] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:51:58,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:51:58,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:51:58,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276921216] [2023-12-02 20:51:58,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:58,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:51:58,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:51:58,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:51:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:51:58,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:58,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:58,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:58,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:51:58,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:21,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:21,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2023-12-02 20:52:21,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:52:21,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:52:21,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash 911846478, now seen corresponding path program 1 times [2023-12-02 20:52:21,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:52:21,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345634069] [2023-12-02 20:52:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:21,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:52:21,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:52:21,905 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:52:21,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-12-02 20:52:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:22,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 20:52:22,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:22,055 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-02 20:52:22,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-12-02 20:52:22,237 INFO L349 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2023-12-02 20:52:22,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2023-12-02 20:52:22,330 INFO L349 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2023-12-02 20:52:22,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-12-02 20:52:22,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-12-02 20:52:22,407 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 20:52:22,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-02 20:52:22,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-12-02 20:52:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:52:22,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:52:22,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:52:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345634069] [2023-12-02 20:52:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345634069] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:52:22,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:52:22,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:52:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296904916] [2023-12-02 20:52:22,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:52:22,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:52:22,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:52:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:52:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:52:22,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:22,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:52:22,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:52:22,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:22,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:52:48,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2023-12-02 20:52:48,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:52:48,439 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:52:48,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -842389192, now seen corresponding path program 1 times [2023-12-02 20:52:48,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:52:48,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589046447] [2023-12-02 20:52:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:52:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:52:48,442 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:52:48,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-12-02 20:52:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:48,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:52:48,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:52:48,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:52:48,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:52:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589046447] [2023-12-02 20:52:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589046447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:52:48,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:52:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:52:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286016444] [2023-12-02 20:52:48,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:52:48,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:52:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:52:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:52:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:52:48,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:48,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:52:48,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:52:48,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:53:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:53:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:28,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2023-12-02 20:53:28,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:53:28,888 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:53:28,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:28,888 INFO L85 PathProgramCache]: Analyzing trace with hash 166453232, now seen corresponding path program 1 times [2023-12-02 20:53:28,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:53:28,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911930460] [2023-12-02 20:53:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:53:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:53:28,890 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:53:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-12-02 20:53:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:29,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:53:29,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:53:29,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-02 20:53:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:53:29,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:53:29,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:53:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911930460] [2023-12-02 20:53:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911930460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:53:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:53:29,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:53:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837481562] [2023-12-02 20:53:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:53:29,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:53:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:53:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:53:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:53:29,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:29,030 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:53:29,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:53:29,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:29,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:53:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2023-12-02 20:53:49,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:53:49,436 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:53:49,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash 166483023, now seen corresponding path program 1 times [2023-12-02 20:53:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:53:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483797831] [2023-12-02 20:53:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:49,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:53:49,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:53:49,437 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:53:49,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-12-02 20:53:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:49,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:53:49,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:53:49,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-02 20:53:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:53:49,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:53:49,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:53:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483797831] [2023-12-02 20:53:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483797831] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:53:49,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:53:49,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:53:49,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253305029] [2023-12-02 20:53:49,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:53:49,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:53:49,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:53:49,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:53:49,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:53:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:49,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:53:49,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:53:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:49,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:49,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2023-12-02 20:54:08,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:08,618 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:54:08,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:08,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1278491850, now seen corresponding path program 1 times [2023-12-02 20:54:08,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:54:08,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499185601] [2023-12-02 20:54:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:08,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:08,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:54:08,620 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:54:08,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-12-02 20:54:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:08,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:54:08,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:54:08,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:54:08,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:54:08,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499185601] [2023-12-02 20:54:08,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499185601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:54:08,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:54:08,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:54:08,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751334153] [2023-12-02 20:54:08,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:08,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:54:08,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:54:08,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:54:08,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:54:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:08,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:08,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:08,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2023-12-02 20:54:30,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:30,776 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:54:30,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:30,777 INFO L85 PathProgramCache]: Analyzing trace with hash 166542605, now seen corresponding path program 1 times [2023-12-02 20:54:30,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:54:30,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93024670] [2023-12-02 20:54:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:30,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:30,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:54:30,778 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:54:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-12-02 20:54:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:30,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:54:30,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:54:30,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:54:30,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:54:30,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93024670] [2023-12-02 20:54:30,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93024670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:54:30,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:54:30,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:54:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349324639] [2023-12-02 20:54:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:30,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:54:30,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:54:30,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:54:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:54:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:30,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:30,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:30,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:41,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2023-12-02 20:54:41,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:41,516 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:54:41,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:41,517 INFO L85 PathProgramCache]: Analyzing trace with hash 166542607, now seen corresponding path program 1 times [2023-12-02 20:54:41,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:54:41,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516320222] [2023-12-02 20:54:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:54:41,518 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:54:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-12-02 20:54:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:41,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 20:54:41,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:41,700 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-12-02 20:54:41,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-12-02 20:54:41,863 INFO L349 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2023-12-02 20:54:41,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2023-12-02 20:54:41,950 INFO L349 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2023-12-02 20:54:41,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2023-12-02 20:54:42,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2023-12-02 20:54:42,069 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2023-12-02 20:54:42,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2023-12-02 20:54:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:54:42,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:54:42,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:54:42,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516320222] [2023-12-02 20:54:42,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516320222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:54:42,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:54:42,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:54:42,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981445942] [2023-12-02 20:54:42,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:42,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:54:42,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:54:42,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:54:42,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:54:42,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:42,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:42,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:53,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2023-12-02 20:54:54,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:54,038 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:54:54,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 166542611, now seen corresponding path program 1 times [2023-12-02 20:54:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:54:54,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287868853] [2023-12-02 20:54:54,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:54,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:54:54,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:54:54,040 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:54:54,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-12-02 20:54:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:54,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:54:54,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:54,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-02 20:54:54,249 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:54:54,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:54:54,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-12-02 20:54:54,288 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-02 20:54:54,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-12-02 20:54:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:54:54,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:54:54,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:54:54,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287868853] [2023-12-02 20:54:54,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287868853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:54:54,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:54:54,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:54:54,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186848314] [2023-12-02 20:54:54,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:54,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:54:54,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:54:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:54:54,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:54:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:54,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:54,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:54:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2023-12-02 20:55:06,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:06,288 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:55:06,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:55:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash 785357861, now seen corresponding path program 1 times [2023-12-02 20:55:06,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:55:06,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057554474] [2023-12-02 20:55:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:55:06,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:06,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:55:06,290 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:55:06,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-12-02 20:55:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:06,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:55:06,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:55:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:55:06,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:55:06,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:55:06,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057554474] [2023-12-02 20:55:06,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057554474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:55:06,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:55:06,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:55:06,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29804897] [2023-12-02 20:55:06,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:55:06,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:55:06,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:55:06,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:55:06,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:55:06,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:06,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:55:06,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:55:06,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:06,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:06,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:55:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2023-12-02 20:55:18,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:18,526 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:55:18,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:55:18,527 INFO L85 PathProgramCache]: Analyzing trace with hash 785357862, now seen corresponding path program 1 times [2023-12-02 20:55:18,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:55:18,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301927570] [2023-12-02 20:55:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:55:18,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:18,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:55:18,528 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:55:18,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-12-02 20:55:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:18,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:55:18,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:55:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 20:55:18,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:55:18,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:55:18,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301927570] [2023-12-02 20:55:18,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301927570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:55:18,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:55:18,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:55:18,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650449422] [2023-12-02 20:55:18,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:55:18,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:55:18,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:55:18,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:55:18,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:55:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:18,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:55:18,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:55:18,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:43,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:55:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:43,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2023-12-02 20:55:43,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:43,900 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err37ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 35 more)] === [2023-12-02 20:55:43,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:55:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash 785357865, now seen corresponding path program 1 times [2023-12-02 20:55:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-02 20:55:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306504640] [2023-12-02 20:55:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:55:43,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 20:55:43,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat [2023-12-02 20:55:43,901 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 20:55:43,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6d2af8-5d21-482f-9163-ae273650f225/bin/ugemcutter-verify-Bi2udmvEmx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-12-02 20:55:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:44,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 20:55:44,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:55:44,117 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-02 20:55:44,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:55:44,206 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-02 20:55:44,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-02 20:55:45,344 INFO L349 Elim1Store]: treesize reduction 222, result has 34.5 percent of original size [2023-12-02 20:55:45,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 238 treesize of output 436 [2023-12-02 20:55:45,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-12-02 20:55:45,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2023-12-02 20:55:47,725 INFO L349 Elim1Store]: treesize reduction 143, result has 26.7 percent of original size [2023-12-02 20:55:47,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1333 treesize of output 1377 [2023-12-02 20:55:49,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:55:49,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 11 [2023-12-02 20:55:49,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2023-12-02 20:55:49,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-12-02 20:55:49,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-12-02 20:55:49,233 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-12-02 20:55:49,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 19 [2023-12-02 20:55:49,250 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 20:55:49,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:55:49,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:55:49,282 INFO L349 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-12-02 20:55:49,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 32 [2023-12-02 20:55:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:55:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:55:49,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 16 [2023-12-02 20:55:49,672 INFO L349 Elim1Store]: treesize reduction 159, result has 23.2 percent of original size [2023-12-02 20:55:49,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 122 [2023-12-02 20:55:49,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-12-02 20:55:49,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 20:55:49,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:55:49,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:55:49,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 28 [2023-12-02 20:55:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:55:51,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:55:51,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:55:51,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 137 treesize of output 153 [2023-12-02 20:55:51,909 INFO L349 Elim1Store]: treesize reduction 10, result has 67.7 percent of original size [2023-12-02 20:55:51,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 143 [2023-12-02 20:56:23,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:56:23,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 4254 treesize of output 4176 [2023-12-02 20:56:24,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1157 treesize of output 1141 [2023-12-02 20:56:24,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1073 treesize of output 1057 [2023-12-02 20:56:24,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 989 treesize of output 973 [2023-12-02 20:56:24,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 905 treesize of output 889 [2023-12-02 20:56:24,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-12-02 20:56:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:56:27,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-02 20:56:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306504640] [2023-12-02 20:56:27,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306504640] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:56:27,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:56:27,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2023-12-02 20:56:27,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868099900] [2023-12-02 20:56:27,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:56:27,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 20:56:27,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-02 20:56:27,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 20:56:27,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=413, Unknown=29, NotChecked=0, Total=552 [2023-12-02 20:56:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:56:27,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:56:27,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:56:27,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:56:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:56:57,322 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse102 (= .cse0 |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|)) (.cse3 (bvadd |c_~#value~0.offset| (_ bv4 32)))) (let ((.cse9 (bvadd .cse0 (_ bv1 32))) (.cse1 (select |c_#valid| |c_~#value~0.base|)) (.cse2 (not (bvule |c_~#value~0.offset| .cse3))) (.cse71 (or .cse102 (forall ((v_DerPreprocessor_60 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (select (select (store |c_#memory_int| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_60) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|)))) (.cse72 (not .cse102))) (and (or (bvult .cse0 |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (not (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))) .cse2 (not (bvule .cse3 (select |c_#length| |c_~#value~0.base|)))) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse8 (store .cse4 |c_~#value~0.base| (store (select .cse4 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse5 (store (select .cse8 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse6 (store .cse8 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse5))) (let ((.cse7 (select (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse5) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse6 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse7 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse7))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse10 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse14 (store .cse10 |c_~#value~0.base| (store (select .cse10 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse11 (store (select .cse14 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse12 (store .cse14 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse11))) (let ((.cse13 (select (select .cse12 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse11) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse12 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse13 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse13)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse15 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse19 (store .cse15 |c_~#value~0.base| (store (select .cse15 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse16 (store (select .cse19 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse17 (store .cse19 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse16))) (let ((.cse18 (select (select .cse17 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse16) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse17 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse18 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse18)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse20 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse24 (store .cse20 |c_~#value~0.base| (store (select .cse20 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse21 (store (select .cse24 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse22 (store .cse24 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse21))) (let ((.cse23 (select (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse21) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse22 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse23 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse23))))))))) .cse2) (or (let ((.cse30 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse25 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse29 (store .cse25 |c_~#value~0.base| (store (select .cse25 |c_~#value~0.base|) |c_~#value~0.offset| .cse30)))) (let ((.cse26 (store (select .cse29 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse27 (store .cse29 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse26))) (let ((.cse28 (select (select .cse27 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse25 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse26) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse27 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse28))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse28)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse31 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse35 (store .cse31 |c_~#value~0.base| (store (select .cse31 |c_~#value~0.base|) |c_~#value~0.offset| .cse30)))) (let ((.cse32 (store (select .cse35 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse33 (store .cse35 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse32))) (let ((.cse34 (select (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse31 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse32) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse33 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse34))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse34))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse36 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse40 (store .cse36 |c_~#value~0.base| (store (select .cse36 |c_~#value~0.base|) |c_~#value~0.offset| .cse30)))) (let ((.cse37 (store (select .cse40 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse38 (store .cse40 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse37))) (let ((.cse39 (select (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse36 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse37) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse38 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse39))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse39)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse41 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse45 (store .cse41 |c_~#value~0.base| (store (select .cse41 |c_~#value~0.base|) |c_~#value~0.offset| .cse30)))) (let ((.cse42 (store (select .cse45 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse43 (store .cse45 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse42))) (let ((.cse44 (select (select .cse43 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse41 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse42) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse43 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse44))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse44)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse2) (or (let ((.cse47 (bvadd (_ bv4294967295 32) .cse0))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse46 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse46 |c_~#value~0.base| (store (select .cse46 |c_~#value~0.base|) |c_~#value~0.offset| .cse47))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse0) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (bvult (select (select (store (let ((.cse48 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse48 |c_~#value~0.base| (store (select .cse48 |c_~#value~0.base|) |c_~#value~0.offset| .cse47))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse0))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (bvult (select (select (store (let ((.cse49 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse49 |c_~#value~0.base| (store (select .cse49 |c_~#value~0.base|) |c_~#value~0.offset| .cse47))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse0) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (select (select (store (let ((.cse50 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse50 |c_~#value~0.base| (store (select .cse50 |c_~#value~0.base|) |c_~#value~0.offset| .cse47))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse0)))) .cse2) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse51 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse55 (store .cse51 |c_~#value~0.base| (store (select .cse51 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse52 (store (select .cse55 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse53 (store .cse55 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse52))) (let ((.cse54 (select (select .cse53 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse51 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse52) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse53 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse54 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse54))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse56 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse60 (store .cse56 |c_~#value~0.base| (store (select .cse56 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse57 (store (select .cse60 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse58 (store .cse60 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse57))) (let ((.cse59 (select (select .cse58 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse56 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse57) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse58 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse59 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse59)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse61 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse65 (store .cse61 |c_~#value~0.base| (store (select .cse61 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse62 (store (select .cse65 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse63 (store .cse65 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse62))) (let ((.cse64 (select (select .cse63 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse61 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse62) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse63 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse64 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse64)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse66 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse70 (store .cse66 |c_~#value~0.base| (store (select .cse66 |c_~#value~0.base|) |c_~#value~0.offset| .cse9)))) (let ((.cse67 (store (select .cse70 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse68 (store .cse70 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse67))) (let ((.cse69 (select (select .cse68 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse66 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse67) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse68 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse69 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse69)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|)))) .cse2) (or (and .cse71 (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse73 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse73 |c_~#value~0.base| (store (select .cse73 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_dec_~dec__vn~0#1|))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)))) (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (select (select (store (let ((.cse74 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse74 |c_~#value~0.base| (store (select .cse74 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_dec_~dec__vn~0#1|))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|))) (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse75 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse75 |c_~#value~0.base| (store (select .cse75 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_dec_~dec__vn~0#1|))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|)))) (or (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse76 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse76 |c_~#value~0.base| (store (select .cse76 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread3of3ForFork0_dec_~dec__vn~0#1|))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) .cse72)) .cse2) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse77 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse81 (store .cse77 |c_~#value~0.base| (store (select .cse77 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse78 (store (select .cse81 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse79 (store .cse81 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse78))) (let ((.cse80 (select (select .cse79 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse77 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse78) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse79 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse80))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse80)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse82 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse86 (store .cse82 |c_~#value~0.base| (store (select .cse82 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse83 (store (select .cse86 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse84 (store .cse86 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse83))) (let ((.cse85 (select (select .cse84 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse82 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse83) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse84 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse85))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse85)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse87 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse91 (store .cse87 |c_~#value~0.base| (store (select .cse87 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse88 (store (select .cse91 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse89 (store .cse91 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse88))) (let ((.cse90 (select (select .cse89 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse87 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse88) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse89 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse90))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse90)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse92 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse96 (store .cse92 |c_~#value~0.base| (store (select .cse92 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse93 (store (select .cse96 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse94 (store .cse96 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse93))) (let ((.cse95 (select (select .cse94 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse92 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse93) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse94 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse95))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse95)))))))) .cse2) (or .cse2 (not (= (_ bv0 1) .cse1))) (or .cse2 (let ((.cse98 (bvadd (_ bv4294967295 32) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|))) (and .cse71 (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse97 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse97 |c_~#value~0.base| (store (select .cse97 |c_~#value~0.base|) |c_~#value~0.offset| .cse98))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_~#value~0.base|)))) (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse99 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse99 |c_~#value~0.base| (store (select .cse99 |c_~#value~0.base|) |c_~#value~0.offset| .cse98))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)))) (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (select (select (store (let ((.cse100 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse100 |c_~#value~0.base| (store (select .cse100 |c_~#value~0.base|) |c_~#value~0.offset| .cse98))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|))) (or .cse72 (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse101 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse101 |c_~#value~0.base| (store (select .cse101 |c_~#value~0.base|) |c_~#value~0.offset| .cse98))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))))))))))) is different from true [2023-12-02 20:57:10,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:29,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:36,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:38,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:41,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:43,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:55,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:57:58,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:58:03,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:58:55,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:59:28,527 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd |c_~#value~0.offset| (_ bv4 32)))) (let ((.cse0 (not (bvule |c_~#value~0.offset| .cse1)))) (and (= (bvadd (select |c_#valid| (_ bv3 32)) (_ bv1 1)) (_ bv0 1)) (or (bvult (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (not (= (_ bv0 1) (bvadd (select |c_#valid| |c_~#value~0.base|) (_ bv1 1)))) .cse0 (not (bvule .cse1 (select |c_#length| |c_~#value~0.base|)))) (or (let ((.cse7 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse2 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse6 (store .cse2 |c_~#value~0.base| (store (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset| .cse7)))) (let ((.cse3 (store (select .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse4 (store .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse3))) (let ((.cse5 (select (select .cse4 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse2 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse3) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse4 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse5))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse5)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse12 (store .cse8 |c_~#value~0.base| (store (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset| .cse7)))) (let ((.cse9 (store (select .cse12 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse10 (store .cse12 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse9))) (let ((.cse11 (select (select .cse10 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse8 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse9) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse10 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse11))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse11))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse13 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse17 (store .cse13 |c_~#value~0.base| (store (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset| .cse7)))) (let ((.cse14 (store (select .cse17 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse15 (store .cse17 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse14))) (let ((.cse16 (select (select .cse15 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse13 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse14) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse15 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse16))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse16)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse18 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse22 (store .cse18 |c_~#value~0.base| (store (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset| .cse7)))) (let ((.cse19 (store (select .cse22 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse20 (store .cse22 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse19))) (let ((.cse21 (select (select .cse20 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse18 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse19) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse20 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse21))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse21)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse0) (= |c_~#value~0.offset| (_ bv0 32)) (exists ((|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32))) (= (select (select |c_#memory_int| |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32)) (_ bv1 32))) (= (select (select |c_#memory_int| (_ bv3 32)) (_ bv0 32)) (_ bv1 32)) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse23 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse27 (store .cse23 |c_~#value~0.base| (store (select .cse23 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse24 (store (select .cse27 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse25 (store .cse27 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse24))) (let ((.cse26 (select (select .cse25 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse23 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse24) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse25 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse26))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse26)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse28 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse32 (store .cse28 |c_~#value~0.base| (store (select .cse28 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse29 (store (select .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse30 (store .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29))) (let ((.cse31 (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse30 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse31))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse31)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse33 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse37 (store .cse33 |c_~#value~0.base| (store (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse34 (store (select .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse35 (store .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34))) (let ((.cse36 (select (select .cse35 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse35 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse36))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse36)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse38 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse42 (store .cse38 |c_~#value~0.base| (store (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse39 (store (select .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse40 (store .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39))) (let ((.cse41 (select (select .cse40 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse40 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse41))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse41)))))))) .cse0) (not (= (_ bv3 32) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)) (= (_ bv3 32) |c_~#value~0.base|)))) is different from true [2023-12-02 20:59:36,077 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse21 (not (bvule |c_~#value~0.offset| (bvadd |c_~#value~0.offset| (_ bv4 32)))))) (and (= (bvadd (select |c_#valid| (_ bv3 32)) (_ bv1 1)) (_ bv0 1)) (or (let ((.cse5 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse0 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse4 (store .cse0 |c_~#value~0.base| (store (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse1 (store (select .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse2 (store .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1))) (let ((.cse3 (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse0 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse2 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse3))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse3)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse10 (store .cse6 |c_~#value~0.base| (store (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse7 (store (select .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse8 (store .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7))) (let ((.cse9 (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse8 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse9))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse9))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse11 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse15 (store .cse11 |c_~#value~0.base| (store (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse12 (store (select .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse13 (store .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12))) (let ((.cse14 (select (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse11 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse13 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse14))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse14)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse16 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse20 (store .cse16 |c_~#value~0.base| (store (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse17 (store (select .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse18 (store .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17))) (let ((.cse19 (select (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse16 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse18 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse19))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse19)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse21) (= |c_~#value~0.offset| (_ bv0 32)) (or (let ((.cse24 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse23 (bvadd (_ bv4294967295 32) .cse24))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (bvult (select (select (store (let ((.cse22 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse22 |c_~#value~0.base| (store (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset| .cse23))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse24) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (bvult (select (select (store (let ((.cse25 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse25 |c_~#value~0.base| (store (select .cse25 |c_~#value~0.base|) |c_~#value~0.offset| .cse23))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse24))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (bvult (select (select (store (let ((.cse26 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse26 |c_~#value~0.base| (store (select .cse26 |c_~#value~0.base|) |c_~#value~0.offset| .cse23))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse24) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (select (select (store (let ((.cse27 (store |c_#memory_int| |~#dec_flag~0.base| v_ArrVal_637))) (store .cse27 |c_~#value~0.base| (store (select .cse27 |c_~#value~0.base|) |c_~#value~0.offset| .cse23))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse24))))) .cse21) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse28 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse32 (store .cse28 |c_~#value~0.base| (store (select .cse28 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse29 (store (select .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse30 (store .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29))) (let ((.cse31 (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse30 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse31))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse31)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse33 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse37 (store .cse33 |c_~#value~0.base| (store (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse34 (store (select .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse35 (store .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34))) (let ((.cse36 (select (select .cse35 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse35 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse36))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse36)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse38 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse42 (store .cse38 |c_~#value~0.base| (store (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse39 (store (select .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse40 (store .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39))) (let ((.cse41 (select (select .cse40 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse40 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse41))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse41)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse43 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse47 (store .cse43 |c_~#value~0.base| (store (select .cse43 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse44 (store (select .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse45 (store .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44))) (let ((.cse46 (select (select .cse45 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse45 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse46))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse46)))))))) .cse21) (not (= (_ bv3 32) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)) (= (_ bv3 32) |c_~#value~0.base|))) is different from true [2023-12-02 20:59:40,956 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 (bvadd (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) (_ bv1 32))) (.cse21 (not (bvule |c_~#value~0.offset| (bvadd |c_~#value~0.offset| (_ bv4 32)))))) (and (= (bvadd (select |c_#valid| (_ bv3 32)) (_ bv1 1)) (_ bv0 1)) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse4 (store .cse0 |c_~#value~0.base| (store (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse1 (store (select .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse2 (store .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1))) (let ((.cse3 (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse0 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse2 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse3 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse3))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse6 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse10 (store .cse6 |c_~#value~0.base| (store (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse7 (store (select .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse8 (store .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7))) (let ((.cse9 (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse8 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse9 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse9)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse11 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse15 (store .cse11 |c_~#value~0.base| (store (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse12 (store (select .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse13 (store .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12))) (let ((.cse14 (select (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse11 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse13 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse14 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse14)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse16 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse20 (store .cse16 |c_~#value~0.base| (store (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse17 (store (select .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse18 (store .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17))) (let ((.cse19 (select (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse16 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse18 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse19 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse19))))))))) .cse21) (or (let ((.cse27 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse22 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse26 (store .cse22 |c_~#value~0.base| (store (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse23 (store (select .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse24 (store .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23))) (let ((.cse25 (select (select .cse24 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse22 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse24 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse25))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse25)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse28 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse32 (store .cse28 |c_~#value~0.base| (store (select .cse28 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse29 (store (select .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse30 (store .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29))) (let ((.cse31 (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse30 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse31))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse31))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse33 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse37 (store .cse33 |c_~#value~0.base| (store (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse34 (store (select .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse35 (store .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34))) (let ((.cse36 (select (select .cse35 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse35 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse36))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse36)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse38 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse42 (store .cse38 |c_~#value~0.base| (store (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse39 (store (select .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse40 (store .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39))) (let ((.cse41 (select (select .cse40 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse40 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse41))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse41)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse21) (= |c_~#value~0.offset| (_ bv0 32)) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse43 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse47 (store .cse43 |c_~#value~0.base| (store (select .cse43 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse44 (store (select .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse45 (store .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44))) (let ((.cse46 (select (select .cse45 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse45 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse46 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse46))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse48 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse52 (store .cse48 |c_~#value~0.base| (store (select .cse48 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse49 (store (select .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse50 (store .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49))) (let ((.cse51 (select (select .cse50 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse48 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse50 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse51 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse51)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse53 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse57 (store .cse53 |c_~#value~0.base| (store (select .cse53 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse54 (store (select .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse55 (store .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54))) (let ((.cse56 (select (select .cse55 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse53 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse55 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse56 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse56)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse58 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse62 (store .cse58 |c_~#value~0.base| (store (select .cse58 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse59 (store (select .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse60 (store .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59))) (let ((.cse61 (select (select .cse60 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse58 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse60 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse61 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse61)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|)))) .cse21) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse63 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse67 (store .cse63 |c_~#value~0.base| (store (select .cse63 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse64 (store (select .cse67 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse65 (store .cse67 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse64))) (let ((.cse66 (select (select .cse65 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse63 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse64) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse65 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse66))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse66)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse68 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse72 (store .cse68 |c_~#value~0.base| (store (select .cse68 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse69 (store (select .cse72 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse70 (store .cse72 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse69))) (let ((.cse71 (select (select .cse70 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse68 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse69) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse70 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse71))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse71)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse73 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse77 (store .cse73 |c_~#value~0.base| (store (select .cse73 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse74 (store (select .cse77 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse75 (store .cse77 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse74))) (let ((.cse76 (select (select .cse75 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse73 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse74) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse75 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse76))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse76)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse78 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse82 (store .cse78 |c_~#value~0.base| (store (select .cse78 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse79 (store (select .cse82 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse80 (store .cse82 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse79))) (let ((.cse81 (select (select .cse80 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse78 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse79) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse80 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse81))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse81)))))))) .cse21) (not (= (_ bv3 32) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)) (= (_ bv3 32) |c_~#value~0.base|))) is different from true [2023-12-02 20:59:42,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 20:59:45,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 21:00:00,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:00:28,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:00:29,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:00:46,682 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse21 (not (bvule |c_~#value~0.offset| (bvadd |c_~#value~0.offset| (_ bv4 32)))))) (and (= (bvadd (select |c_#valid| (_ bv3 32)) (_ bv1 1)) (_ bv0 1)) (or (let ((.cse5 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse0 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse4 (store .cse0 |c_~#value~0.base| (store (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse1 (store (select .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse2 (store .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1))) (let ((.cse3 (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse0 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse2 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse3))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse3)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse10 (store .cse6 |c_~#value~0.base| (store (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse7 (store (select .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse8 (store .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7))) (let ((.cse9 (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse8 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse9))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse9))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse11 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse15 (store .cse11 |c_~#value~0.base| (store (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse12 (store (select .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse13 (store .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12))) (let ((.cse14 (select (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse11 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse13 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse14))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse14)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse16 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse20 (store .cse16 |c_~#value~0.base| (store (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse17 (store (select .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse18 (store .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17))) (let ((.cse19 (select (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse16 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse18 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse19))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse19)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse21) (= |c_~#value~0.offset| (_ bv0 32)) (or (let ((.cse27 (bvadd (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse22 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse26 (store .cse22 |c_~#value~0.base| (store (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse23 (store (select .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse24 (store .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23))) (let ((.cse25 (select (select .cse24 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse22 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse24 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse25 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse25))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse28 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse32 (store .cse28 |c_~#value~0.base| (store (select .cse28 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse29 (store (select .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse30 (store .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29))) (let ((.cse31 (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse30 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse31 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse31)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse33 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse37 (store .cse33 |c_~#value~0.base| (store (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse34 (store (select .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse35 (store .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34))) (let ((.cse36 (select (select .cse35 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse35 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse36 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse36)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_~#value~0.base|) (let ((.cse38 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse42 (store .cse38 |c_~#value~0.base| (store (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse39 (store (select .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) (_ bv0 32) (_ bv1 32)))) (let ((.cse40 (store .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39))) (let ((.cse41 (select (select .cse40 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse40 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse41 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse41)))))))))) (not (= |c_thr1Thread1of3ForFork0_dec_~dec__v~0#1| (_ bv0 32))) .cse21) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse43 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse47 (store .cse43 |c_~#value~0.base| (store (select .cse43 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse44 (store (select .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse45 (store .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44))) (let ((.cse46 (select (select .cse45 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse45 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse46))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse46)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse48 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse52 (store .cse48 |c_~#value~0.base| (store (select .cse48 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse49 (store (select .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse50 (store .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49))) (let ((.cse51 (select (select .cse50 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse48 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse50 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse51))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse51)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse53 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse57 (store .cse53 |c_~#value~0.base| (store (select .cse53 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse54 (store (select .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse55 (store .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54))) (let ((.cse56 (select (select .cse55 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse53 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse55 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse56))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse56)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse58 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse62 (store .cse58 |c_~#value~0.base| (store (select .cse58 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse59 (store (select .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse60 (store .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59))) (let ((.cse61 (select (select .cse60 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse58 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse60 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse61))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse61)))))))) .cse21) (not (= (_ bv3 32) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|)) (= (_ bv3 32) |c_~#value~0.base|))) is different from true [2023-12-02 21:00:54,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:00:56,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:00:58,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:01,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:03,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:04,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:08,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:16,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:17,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:28,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:33,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:35,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:39,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:45,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:48,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:53,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:01:54,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:00,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:02,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:04,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:05,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:10,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:11,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:40,229 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd |c_~#value~0.offset| (_ bv4 32)))) (let ((.cse0 (not (bvule |c_~#value~0.offset| .cse2))) (.cse1 (select |c_#valid| |c_~#value~0.base|))) (and (or (not (= |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| |c_~#value~0.base|)) .cse0) (or (bvult (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) |c_thr1Thread3of3ForFork0_dec_~dec__v~0#1|) (not (= (_ bv0 1) (bvadd .cse1 (_ bv1 1)))) .cse0 (not (bvule .cse2 (select |c_#length| |c_~#value~0.base|)))) (or (let ((.cse8 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse3 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse7 (store .cse3 |c_~#value~0.base| (store (select .cse3 |c_~#value~0.base|) |c_~#value~0.offset| .cse8)))) (let ((.cse4 (store (select .cse7 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse5 (store .cse7 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse4))) (let ((.cse6 (select (select .cse5 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse3 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse4) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse5 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse6))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse6)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse13 (store .cse9 |c_~#value~0.base| (store (select .cse9 |c_~#value~0.base|) |c_~#value~0.offset| .cse8)))) (let ((.cse10 (store (select .cse13 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse11 (store .cse13 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse10))) (let ((.cse12 (select (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse9 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse10) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse11 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse12))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse12))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse14 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse18 (store .cse14 |c_~#value~0.base| (store (select .cse14 |c_~#value~0.base|) |c_~#value~0.offset| .cse8)))) (let ((.cse15 (store (select .cse18 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse16 (store .cse18 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse15))) (let ((.cse17 (select (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse14 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse15) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse16 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse17))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse17)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse19 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse23 (store .cse19 |c_~#value~0.base| (store (select .cse19 |c_~#value~0.base|) |c_~#value~0.offset| .cse8)))) (let ((.cse20 (store (select .cse23 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse21 (store .cse23 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse20))) (let ((.cse22 (select (select .cse21 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse19 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse20) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse21 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse22))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse22)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse0) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse24 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse28 (store .cse24 |c_~#value~0.base| (store (select .cse24 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse25 (store (select .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse26 (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse25))) (let ((.cse27 (select (select .cse26 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse24 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse25) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse26 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse27))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse27)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse29 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse33 (store .cse29 |c_~#value~0.base| (store (select .cse29 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse30 (store (select .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse31 (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse30))) (let ((.cse32 (select (select .cse31 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse29 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse30) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse31 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse32))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse32)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse34 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse38 (store .cse34 |c_~#value~0.base| (store (select .cse34 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse35 (store (select .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse36 (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse35))) (let ((.cse37 (select (select .cse36 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse34 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse35) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse36 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse37))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse37)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse39 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse43 (store .cse39 |c_~#value~0.base| (store (select .cse39 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse40 (store (select .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse41 (store .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse40))) (let ((.cse42 (select (select .cse41 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse39 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse40) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse41 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse42))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse42)))))))) .cse0) (or .cse0 (not (= (_ bv0 1) .cse1)))))) is different from true [2023-12-02 21:02:41,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:43,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:46,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:48,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:50,870 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse21 (not (bvule |c_~#value~0.offset| (bvadd |c_~#value~0.offset| (_ bv4 32)))))) (and (or (let ((.cse5 (bvadd |c_thr1Thread2of3ForFork0_inc_~inc__v~0#1| (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse0 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse4 (store .cse0 |c_~#value~0.base| (store (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse1 (store (select .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse2 (store .cse4 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1))) (let ((.cse3 (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse0 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse1) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse2 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse3))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse3)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse10 (store .cse6 |c_~#value~0.base| (store (select .cse6 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse7 (store (select .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse8 (store .cse10 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7))) (let ((.cse9 (select (select .cse8 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse6 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse7) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse8 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse9))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse9))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse11 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse15 (store .cse11 |c_~#value~0.base| (store (select .cse11 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse12 (store (select .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse13 (store .cse15 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12))) (let ((.cse14 (select (select .cse13 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse11 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse12) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse13 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse14))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse14)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse16 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse20 (store .cse16 |c_~#value~0.base| (store (select .cse16 |c_~#value~0.base|) |c_~#value~0.offset| .cse5)))) (let ((.cse17 (store (select .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse18 (store .cse20 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17))) (let ((.cse19 (select (select .cse18 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse16 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse17) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse18 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse19))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse19)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse21) (or (let ((.cse27 (bvadd (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) (_ bv1 32)))) (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse22 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse26 (store .cse22 |c_~#value~0.base| (store (select .cse22 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse23 (store (select .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse24 (store .cse26 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23))) (let ((.cse25 (select (select .cse24 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse22 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse23) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse24 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse25 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse25))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse28 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse32 (store .cse28 |c_~#value~0.base| (store (select .cse28 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse29 (store (select .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse30 (store .cse32 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29))) (let ((.cse31 (select (select .cse30 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse28 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse29) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse30 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse31 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse31)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse33 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse37 (store .cse33 |c_~#value~0.base| (store (select .cse33 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse34 (store (select .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse35 (store .cse37 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34))) (let ((.cse36 (select (select .cse35 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse33 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse34) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse35 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse36 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse36)))))) (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse38 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse42 (store .cse38 |c_~#value~0.base| (store (select .cse38 |c_~#value~0.base|) |c_~#value~0.offset| .cse27)))) (let ((.cse39 (store (select .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse40 (store .cse42 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39))) (let ((.cse41 (select (select .cse40 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse38 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse39) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse40 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd .cse41 (_ bv4294967295 32)))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse41)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))))) .cse21) (or (and (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse43 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse47 (store .cse43 |c_~#value~0.base| (store (select .cse43 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse44 (store (select .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse45 (store .cse47 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44))) (let ((.cse46 (select (select .cse45 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse43 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse44) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse45 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse46))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse46)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse48 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse52 (store .cse48 |c_~#value~0.base| (store (select .cse48 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse49 (store (select .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse50 (store .cse52 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49))) (let ((.cse51 (select (select .cse50 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse48 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse49) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse50 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse51))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse51)))))))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= |~#dec_flag~0.base| |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base|) (let ((.cse53 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse57 (store .cse53 |c_~#value~0.base| (store (select .cse53 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse54 (store (select .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse55 (store .cse57 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54))) (let ((.cse56 (select (select .cse55 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse53 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse54) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse55 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse56))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse56)))))) (= |~#dec_flag~0.base| |c_~#value~0.base|))) (forall ((|~#dec_flag~0.base| (_ BitVec 32)) (v_ArrVal_637 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (|~#inc_flag~0.base| (_ BitVec 32)) (|thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| (_ BitVec 32)) (v_ArrVal_634 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse58 (store |c_#memory_int| |~#inc_flag~0.base| v_ArrVal_634))) (let ((.cse62 (store .cse58 |c_~#value~0.base| (store (select .cse58 |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread2of3ForFork0_inc_~inc__vn~0#1|)))) (let ((.cse59 (store (select .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.offset| (_ bv1 32)))) (let ((.cse60 (store .cse62 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59))) (let ((.cse61 (select (select .cse60 |c_~#value~0.base|) |c_~#value~0.offset|))) (bvult (select (select (store (store (store (store .cse58 |thr1Thread2of3ForFork0_inc_~#inc__casret~0#1.base| .cse59) |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base| (store (select (store .cse60 |~#dec_flag~0.base| v_ArrVal_637) |c_~#value~0.base|) |c_~#value~0.offset| (bvadd (_ bv4294967295 32) .cse61))) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.base| v_DerPreprocessor_61) |c_~#value~0.base|) |c_~#value~0.offset|) .cse61)))))))) .cse21) (or .cse21 (not (= (_ bv0 1) (select |c_#valid| |c_~#value~0.base|)))))) is different from true [2023-12-02 21:02:53,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:55,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:57,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:02:59,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:01,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:03,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:18,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:25,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:27,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:29,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:30,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:34,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:35,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:37,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:40,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:42,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:44,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:46,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:49,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:53,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:54,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:03:56,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 21:04:00,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]