./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:21:18,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:21:18,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 17:21:18,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:21:18,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:21:18,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:21:18,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:21:18,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:21:18,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:21:18,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:21:18,130 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:21:18,131 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:21:18,131 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:21:18,132 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:21:18,132 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:21:18,133 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:21:18,133 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:21:18,134 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:21:18,134 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:21:18,135 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:21:18,136 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:21:18,136 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:21:18,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:21:18,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:21:18,146 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:21:18,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:21:18,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:21:18,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:21:18,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:21:18,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:21:18,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:21:18,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:21:18,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:21:18,150 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:21:18,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:21:18,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:21:18,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:21:18,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:21:18,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:21:18,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:21:18,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:21:18,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:21:18,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:21:18,152 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:21:18,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:21:18,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:21:18,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:21:18,153 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:21:18,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:21:18,154 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-02 17:21:18,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:21:18,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:21:18,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:21:18,402 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:21:18,403 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:21:18,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-02 17:21:21,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:21:21,467 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:21:21,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-02 17:21:21,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/data/cefc473ef/a8e40e8a705f4cd1a2fee105763ced49/FLAG248d5cee6 [2023-12-02 17:21:21,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/data/cefc473ef/a8e40e8a705f4cd1a2fee105763ced49 [2023-12-02 17:21:21,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:21:21,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:21:21,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:21:21,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:21:21,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:21:21,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:21:21" (1/1) ... [2023-12-02 17:21:21,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce9241f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:21, skipping insertion in model container [2023-12-02 17:21:21,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:21:21" (1/1) ... [2023-12-02 17:21:21,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:21:22,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:21:22,116 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:21:22,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:21:22,240 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:21:22,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22 WrapperNode [2023-12-02 17:21:22,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:21:22,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:21:22,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:21:22,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:21:22,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,376 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-12-02 17:21:22,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:21:22,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:21:22,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:21:22,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:21:22,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:21:22,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:21:22,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:21:22,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:21:22,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (1/1) ... [2023-12-02 17:21:22,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:21:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:21:22,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:21:22,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:21:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:21:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:21:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 17:21:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 17:21:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:21:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:21:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:21:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:21:22,782 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:21:22,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:21:24,907 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:21:26,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:21:26,396 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-02 17:21:26,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:21:26 BoogieIcfgContainer [2023-12-02 17:21:26,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:21:26,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:21:26,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:21:26,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:21:26,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:21:21" (1/3) ... [2023-12-02 17:21:26,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bee12fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:21:26, skipping insertion in model container [2023-12-02 17:21:26,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:21:22" (2/3) ... [2023-12-02 17:21:26,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bee12fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:21:26, skipping insertion in model container [2023-12-02 17:21:26,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:21:26" (3/3) ... [2023-12-02 17:21:26,408 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-1.i [2023-12-02 17:21:26,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:21:26,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-02 17:21:26,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:21:26,487 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1521117a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:21:26,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 17:21:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 106 states have (on average 1.7358490566037736) internal successors, (184), 110 states have internal predecessors, (184), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:21:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:21:26,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:21:26,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:21:26,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:21:26,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:21:26,505 INFO L85 PathProgramCache]: Analyzing trace with hash 45560824, now seen corresponding path program 1 times [2023-12-02 17:21:26,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:21:26,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957838465] [2023-12-02 17:21:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:21:26,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:21:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:21:26,725 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 17:21:26,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:21:26,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957838465] [2023-12-02 17:21:26,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957838465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:21:26,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:21:26,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 17:21:26,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319711463] [2023-12-02 17:21:26,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:21:26,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:21:26,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:21:26,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:21:26,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:21:26,766 INFO L87 Difference]: Start difference. First operand has 118 states, 106 states have (on average 1.7358490566037736) internal successors, (184), 110 states have internal predecessors, (184), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:21:28,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:30,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:32,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:34,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:36,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:21:36,208 INFO L93 Difference]: Finished difference Result 233 states and 389 transitions. [2023-12-02 17:21:36,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:21:36,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2023-12-02 17:21:36,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:21:36,223 INFO L225 Difference]: With dead ends: 233 [2023-12-02 17:21:36,224 INFO L226 Difference]: Without dead ends: 114 [2023-12-02 17:21:36,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:21:36,230 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:21:36,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2023-12-02 17:21:36,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-02 17:21:36,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-12-02 17:21:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 106 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:21:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-12-02 17:21:36,272 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 4 [2023-12-02 17:21:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:21:36,272 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-12-02 17:21:36,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:21:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-12-02 17:21:36,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 17:21:36,273 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:21:36,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 17:21:36,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:21:36,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:21:36,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:21:36,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1412385608, now seen corresponding path program 1 times [2023-12-02 17:21:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:21:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100224289] [2023-12-02 17:21:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:21:36,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:21:36,314 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:21:36,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [650208052] [2023-12-02 17:21:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:21:36,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:21:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:21:36,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:21:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:21:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:21:36,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:21:36,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:21:36,577 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 17:21:36,577 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:21:36,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:21:36,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100224289] [2023-12-02 17:21:36,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:21:36,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650208052] [2023-12-02 17:21:36,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650208052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:21:36,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:21:36,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:21:36,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193707101] [2023-12-02 17:21:36,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:21:36,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:21:36,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:21:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:21:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:21:36,582 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:21:38,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:40,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:42,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:44,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:46,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:48,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:50,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:52,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:54,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:56,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:21:58,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:22:03,793 INFO L93 Difference]: Finished difference Result 223 states and 255 transitions. [2023-12-02 17:22:03,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:22:03,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2023-12-02 17:22:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:22:03,799 INFO L225 Difference]: With dead ends: 223 [2023-12-02 17:22:03,799 INFO L226 Difference]: Without dead ends: 222 [2023-12-02 17:22:03,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:22:03,800 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 109 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:22:03,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 218 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 27.2s Time] [2023-12-02 17:22:03,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-02 17:22:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 117. [2023-12-02 17:22:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.1308411214953271) internal successors, (121), 109 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:22:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-12-02 17:22:03,813 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 5 [2023-12-02 17:22:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:22:03,813 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-12-02 17:22:03,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:22:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-12-02 17:22:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 17:22:03,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:22:03,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:22:03,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:22:04,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:22:04,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:22:04,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:22:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash -787346805, now seen corresponding path program 1 times [2023-12-02 17:22:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:22:04,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927087427] [2023-12-02 17:22:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:22:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:22:04,136 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:22:04,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853580503] [2023-12-02 17:22:04,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:22:04,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:22:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:22:04,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:22:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 17:22:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:22:04,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:22:04,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:22:04,768 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 17:22:04,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:22:04,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:22:04,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927087427] [2023-12-02 17:22:04,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:22:04,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853580503] [2023-12-02 17:22:04,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853580503] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:22:04,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:22:04,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:22:04,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410949773] [2023-12-02 17:22:04,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:22:04,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:22:04,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:22:04,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:22:04,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:22:04,772 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 17:22:06,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:08,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:10,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:12,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:14,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:16,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:18,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:21,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:22:22,510 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2023-12-02 17:22:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:22:22,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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) Word has length 57 [2023-12-02 17:22:22,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:22:22,518 INFO L225 Difference]: With dead ends: 117 [2023-12-02 17:22:22,518 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 17:22:22,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:22:22,519 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 60 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:22:22,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 206 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 17.7s Time] [2023-12-02 17:22:22,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 17:22:22,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 17:22:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 107 states have (on average 1.1214953271028036) internal successors, (120), 108 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:22:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2023-12-02 17:22:22,532 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 57 [2023-12-02 17:22:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:22:22,532 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2023-12-02 17:22:22,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 17:22:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2023-12-02 17:22:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 17:22:22,535 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:22:22,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:22:22,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 17:22:22,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:22:22,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:22:22,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:22:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1362054291, now seen corresponding path program 1 times [2023-12-02 17:22:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:22:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846567392] [2023-12-02 17:22:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:22:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:22:22,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:22:22,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114262830] [2023-12-02 17:22:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:22:22,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:22:22,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:22:22,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:22:22,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 17:22:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:22:23,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:22:23,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:22:23,413 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 17:22:23,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:22:23,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:22:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846567392] [2023-12-02 17:22:23,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:22:23,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114262830] [2023-12-02 17:22:23,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114262830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:22:23,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:22:23,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:22:23,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454121049] [2023-12-02 17:22:23,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:22:23,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:22:23,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:22:23,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:22:23,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:22:23,416 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 17:22:25,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:27,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:29,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:31,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:33,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:35,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:37,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:39,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:41,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:43,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:45,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:47,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:49,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:52,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:54,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:56,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:22:58,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:00,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:02,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:07,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 17:23:07,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:23:07,819 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2023-12-02 17:23:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:23:07,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) Word has length 58 [2023-12-02 17:23:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:23:07,826 INFO L225 Difference]: With dead ends: 220 [2023-12-02 17:23:07,827 INFO L226 Difference]: Without dead ends: 219 [2023-12-02 17:23:07,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:23:07,828 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 56 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:23:07,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 341 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 20 Unknown, 0 Unchecked, 44.4s Time] [2023-12-02 17:23:07,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-02 17:23:07,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-02 17:23:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 204 states have (on average 1.1127450980392157) internal successors, (227), 205 states have internal predecessors, (227), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:23:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2023-12-02 17:23:07,848 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 58 [2023-12-02 17:23:07,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:23:07,849 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2023-12-02 17:23:07,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 17:23:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2023-12-02 17:23:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 17:23:07,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:23:07,853 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:23:07,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 17:23:08,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:08,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:23:08,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:23:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1889877460, now seen corresponding path program 1 times [2023-12-02 17:23:08,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:23:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655413403] [2023-12-02 17:23:08,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:23:08,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:23:08,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97755124] [2023-12-02 17:23:08,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:08,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:08,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:23:08,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:23:08,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 17:23:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:23:08,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:23:08,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:23:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:23:08,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:23:08,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:23:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655413403] [2023-12-02 17:23:08,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:23:08,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97755124] [2023-12-02 17:23:08,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97755124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:23:08,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:23:08,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:23:08,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862257727] [2023-12-02 17:23:08,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:23:08,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:23:08,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:23:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:23:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:23:08,735 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 17:23:10,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:12,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:14,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:16,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:19,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:21,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:23,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:25,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:27,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:29,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:31,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:33,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:23:34,069 INFO L93 Difference]: Finished difference Result 358 states and 410 transitions. [2023-12-02 17:23:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:23:34,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) Word has length 61 [2023-12-02 17:23:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:23:34,075 INFO L225 Difference]: With dead ends: 358 [2023-12-02 17:23:34,075 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 17:23:34,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:23:34,077 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 38 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:23:34,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 12 Unknown, 0 Unchecked, 25.3s Time] [2023-12-02 17:23:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 17:23:34,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 17:23:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 202 states have (on average 1.108910891089109) internal successors, (224), 203 states have internal predecessors, (224), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:23:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 248 transitions. [2023-12-02 17:23:34,093 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 248 transitions. Word has length 61 [2023-12-02 17:23:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:23:34,094 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 248 transitions. [2023-12-02 17:23:34,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 17:23:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 248 transitions. [2023-12-02 17:23:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 17:23:34,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:23:34,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:23:34,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 17:23:34,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:34,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:23:34,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:23:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1135857248, now seen corresponding path program 1 times [2023-12-02 17:23:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:23:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786779125] [2023-12-02 17:23:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:23:34,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:23:34,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057107209] [2023-12-02 17:23:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:34,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:34,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:23:34,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:23:34,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 17:23:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:23:34,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:23:34,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:23:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 17:23:34,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:23:34,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:23:34,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786779125] [2023-12-02 17:23:34,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:23:34,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057107209] [2023-12-02 17:23:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057107209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:23:34,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:23:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:23:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336244284] [2023-12-02 17:23:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:23:34,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:23:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:23:34,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:23:34,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:23:34,908 INFO L87 Difference]: Start difference. First operand 217 states and 248 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:23:36,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:38,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:41,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:43,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:45,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:47,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:50,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:52,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:54,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:56,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:23:57,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:23:57,089 INFO L93 Difference]: Finished difference Result 404 states and 462 transitions. [2023-12-02 17:23:57,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:23:57,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2023-12-02 17:23:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:23:57,095 INFO L225 Difference]: With dead ends: 404 [2023-12-02 17:23:57,096 INFO L226 Difference]: Without dead ends: 215 [2023-12-02 17:23:57,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:23:57,097 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:23:57,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 197 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 22.2s Time] [2023-12-02 17:23:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-12-02 17:23:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2023-12-02 17:23:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 200 states have (on average 1.105) internal successors, (221), 201 states have internal predecessors, (221), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:23:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 245 transitions. [2023-12-02 17:23:57,109 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 245 transitions. Word has length 74 [2023-12-02 17:23:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:23:57,109 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 245 transitions. [2023-12-02 17:23:57,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:23:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 245 transitions. [2023-12-02 17:23:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 17:23:57,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:23:57,111 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:23:57,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 17:23:57,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:57,311 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:23:57,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:23:57,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1317655680, now seen corresponding path program 1 times [2023-12-02 17:23:57,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:23:57,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468505725] [2023-12-02 17:23:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:57,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:23:57,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:23:57,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542423218] [2023-12-02 17:23:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:23:57,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:23:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:23:57,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:23:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 17:25:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:25:20,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 17:25:20,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:25:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 17:25:20,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:25:20,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:25:20,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468505725] [2023-12-02 17:25:20,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:25:20,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542423218] [2023-12-02 17:25:20,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542423218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:25:20,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:25:20,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:25:20,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328315686] [2023-12-02 17:25:20,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:25:20,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:25:20,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:25:20,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:25:20,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:25:20,585 INFO L87 Difference]: Start difference. First operand 215 states and 245 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 17:25:22,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:24,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:26,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:28,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:30,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:32,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:34,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:36,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:38,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:40,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:42,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:44,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:48,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:50,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:52,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:54,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:56,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:25:58,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:00,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:02,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:04,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:06,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:08,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:10,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:12,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:14,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:16,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:18,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:26:20,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:26:20,667 INFO L93 Difference]: Finished difference Result 410 states and 480 transitions. [2023-12-02 17:26:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:26:20,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2023-12-02 17:26:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:26:20,670 INFO L225 Difference]: With dead ends: 410 [2023-12-02 17:26:20,670 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 17:26:20,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:26:20,672 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 104 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:26:20,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 390 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 28 Unknown, 0 Unchecked, 60.0s Time] [2023-12-02 17:26:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 17:26:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 17:26:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 201 states have (on average 1.109452736318408) internal successors, (223), 203 states have internal predecessors, (223), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2023-12-02 17:26:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 251 transitions. [2023-12-02 17:26:20,687 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 251 transitions. Word has length 87 [2023-12-02 17:26:20,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:26:20,688 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 251 transitions. [2023-12-02 17:26:20,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 17:26:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 251 transitions. [2023-12-02 17:26:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 17:26:20,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:26:20,689 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:26:20,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 17:26:20,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:26:20,890 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:26:20,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:26:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash 798421492, now seen corresponding path program 1 times [2023-12-02 17:26:20,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:26:20,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690569777] [2023-12-02 17:26:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:26:20,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:26:20,988 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:26:20,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804880941] [2023-12-02 17:26:20,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:26:20,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:26:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:26:20,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:26:21,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e154a217-3dd7-451d-81cb-cbd6a7fe7f05/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 17:28:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:28:38,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 17:28:38,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:28:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 17:28:38,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:28:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:28:38,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:28:38,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690569777] [2023-12-02 17:28:38,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:28:38,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804880941] [2023-12-02 17:28:38,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804880941] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:28:38,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1394590423] [2023-12-02 17:28:38,877 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2023-12-02 17:28:38,877 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:28:38,881 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:28:38,885 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:28:38,885 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:29:33,387 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 42 for LOIs [2023-12-02 17:29:33,407 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:29:56,315 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse1 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28| 4294967296)))) .cse0 .cse1 (exists ((|v_#memory_$Pointer$.offset_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_int_757| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_125| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#length_48| (Array Int Int)) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_56| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse19 (select (select |v_#memory_$Pointer$.base_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ 16 (select (select |v_#memory_$Pointer$.offset_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse3 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse22 (store |v_#memory_$Pointer$.offset_114| .cse3 (store (select |v_#memory_$Pointer$.offset_114| .cse3) .cse4 0))) (.cse16 (store |v_#memory_$Pointer$.base_114| .cse3 (store (select |v_#memory_$Pointer$.base_114| .cse3) .cse4 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|))) (.cse14 (store |v_#memory_$Pointer$.offset_599| .cse19 (store (select |v_#memory_$Pointer$.offset_599| .cse19) .cse20 8))) (.cse21 (store |v_#memory_$Pointer$.base_599| .cse19 (store (select |v_#memory_$Pointer$.base_599| .cse19) .cse20 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse6 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse9 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse15 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse17 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 40 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_int_124| (let ((.cse2 (let ((.cse5 (let ((.cse8 (store |v_#memory_int_125| .cse11 (store (select |v_#memory_int_125| .cse11) .cse12 32)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 5))))) (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 8))))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_#memory_int_124| .cse3) .cse4))))) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse13) (= |v_#memory_$Pointer$.offset_116| (store .cse14 .cse11 (store (select .cse14 .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_116| .cse11) .cse12)))) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse15) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse9 (store (select |v_#memory_$Pointer$.base_115| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_116| .cse9) .cse10)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse6 (store (select |v_#memory_$Pointer$.base_116| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_114| .cse6) .cse7)))) (= |v_#memory_$Pointer$.base_BEFORE_CALL_56| (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| .cse17) .cse18)))) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse6 (store (select |v_#memory_$Pointer$.offset_115| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_114| .cse6) .cse7)))) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse9 (store (select |v_#memory_$Pointer$.offset_116| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_115| .cse9) .cse10)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| .cse15) .cse13) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse15) .cse13) 0))) (= (store |v_#length_48| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store |v_#memory_int_757| .cse19 (store (select |v_#memory_int_757| .cse19) .cse20 (select (select |v_#memory_int_125| .cse19) .cse20))) |v_#memory_int_125|) (= (store .cse21 .cse11 (store (select .cse21 .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_115| .cse11) .cse12))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse22 .cse17 (store (select .cse22 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse17) .cse18)))) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0))))))) (and (exists ((|v_#memory_$Pointer$.offset_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_int_757| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#length_48| (Array Int Int)) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse40 (select (select |v_#memory_$Pointer$.base_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 16 (select (select |v_#memory_$Pointer$.offset_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse24 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_114| .cse24 (store (select |v_#memory_$Pointer$.offset_114| .cse24) .cse25 0))) (.cse35 (store |v_#memory_$Pointer$.base_114| .cse24 (store (select |v_#memory_$Pointer$.base_114| .cse24) .cse25 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|))) (.cse34 (store |v_#memory_$Pointer$.offset_599| .cse40 (store (select |v_#memory_$Pointer$.offset_599| .cse40) .cse41 8))) (.cse42 (store |v_#memory_$Pointer$.base_599| .cse40 (store (select |v_#memory_$Pointer$.base_599| .cse40) .cse41 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse27 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse32 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ (select (select .cse34 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= |v_#memory_int_124| (let ((.cse23 (let ((.cse26 (let ((.cse29 (store |v_#memory_int_125| .cse32 (store (select |v_#memory_int_125| .cse32) .cse33 32)))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 5))))) (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 8))))) (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_int_124| .cse24) .cse25))))) (= |v_#memory_$Pointer$.offset_116| (store .cse34 .cse32 (store (select .cse34 .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_116| .cse32) .cse33)))) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse36) .cse37)))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse38) .cse39) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse38) .cse39) 0))) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse30 (store (select |v_#memory_$Pointer$.base_115| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_116| .cse30) .cse31)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse27 (store (select |v_#memory_$Pointer$.base_116| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_114| .cse27) .cse28)))) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse27 (store (select |v_#memory_$Pointer$.offset_115| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_114| .cse27) .cse28)))) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse30 (store (select |v_#memory_$Pointer$.offset_116| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_115| .cse30) .cse31)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#length_48| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= (store |v_#memory_int_757| .cse40 (store (select |v_#memory_int_757| .cse40) .cse41 (select (select |v_#memory_int_125| .cse40) .cse41))) |v_#memory_int_125|) (= (store .cse42 .cse32 (store (select .cse42 .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_115| .cse32) .cse33))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= .cse39 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse43 .cse36 (store (select .cse43 .cse36) .cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse36) .cse37)))) (= .cse38 |c_ULTIMATE.start_main_#t~mem63#1.base|) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0) (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27| 4294967296)))) .cse0 .cse1))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 17:31:01,613 WARN L293 SmtUtils]: Spent 18.78s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:32:12,771 WARN L293 SmtUtils]: Spent 22.67s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:34:13,932 WARN L293 SmtUtils]: Spent 58.90s on a formula simplification that was a NOOP. DAG size: 253 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:34:15,946 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_$Pointer$.offset_600| (Array Int (Array Int Int))) (|v_#memory_int_758| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_600| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_600| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_600| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_600| .cse0 (store (select |v_#memory_$Pointer$.offset_600| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= (store |v_#memory_$Pointer$.base_600| .cse0 (store (select |v_#memory_$Pointer$.base_600| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1))) |c_#memory_$Pointer$.base|) (= |c_#memory_int| (store |v_#memory_int_758| .cse0 (let ((.cse2 (select |v_#memory_int_758| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#memory_$Pointer$.offset_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_int_757| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_125| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#length_48| (Array Int Int)) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_56| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse20 (select (select |v_#memory_$Pointer$.base_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse21 (+ 16 (select (select |v_#memory_$Pointer$.offset_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse4 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_114| .cse4 (store (select |v_#memory_$Pointer$.offset_114| .cse4) .cse5 0))) (.cse15 (store |v_#memory_$Pointer$.base_114| .cse4 (store (select |v_#memory_$Pointer$.base_114| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|))) (.cse14 (store |v_#memory_$Pointer$.offset_599| .cse20 (store (select |v_#memory_$Pointer$.offset_599| .cse20) .cse21 8))) (.cse22 (store |v_#memory_$Pointer$.base_599| .cse20 (store (select |v_#memory_$Pointer$.base_599| .cse20) .cse21 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_int_124| (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_125| .cse12 (store (select |v_#memory_int_125| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_124| .cse4) .cse5))))) (= |v_#memory_$Pointer$.offset_116| (store .cse14 .cse12 (store (select .cse14 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_116| .cse12) .cse13)))) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse10 (store (select |v_#memory_$Pointer$.base_115| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_116| .cse10) .cse11)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse7 (store (select |v_#memory_$Pointer$.base_116| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_114| .cse7) .cse8)))) (= |v_#memory_$Pointer$.base_BEFORE_CALL_56| (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| .cse16) .cse17)))) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse7 (store (select |v_#memory_$Pointer$.offset_115| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_114| .cse7) .cse8)))) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse10 (store (select |v_#memory_$Pointer$.offset_116| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_115| .cse10) .cse11)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_56| .cse18) .cse19) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse18) .cse19) 0)))) (= (store |v_#length_48| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= (store |v_#memory_int_757| .cse20 (store (select |v_#memory_int_757| .cse20) .cse21 (select (select |v_#memory_int_125| .cse20) .cse21))) |v_#memory_int_125|) (= (store .cse22 .cse12 (store (select .cse22 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_115| .cse12) .cse13))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse23 .cse16 (store (select .cse23 .cse16) .cse17 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse16) .cse17)))) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_28| 4294967296))))) (and (exists ((|v_#memory_$Pointer$.offset_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_int_757| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#length_48| (Array Int Int)) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_599| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse41 (select (select |v_#memory_$Pointer$.base_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 16 (select (select |v_#memory_$Pointer$.offset_599| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse25 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_114| .cse25 (store (select |v_#memory_$Pointer$.offset_114| .cse25) .cse26 0))) (.cse36 (store |v_#memory_$Pointer$.base_114| .cse25 (store (select |v_#memory_$Pointer$.base_114| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|))) (.cse35 (store |v_#memory_$Pointer$.offset_599| .cse41 (store (select |v_#memory_$Pointer$.offset_599| .cse41) .cse42 8))) (.cse43 (store |v_#memory_$Pointer$.base_599| .cse41 (store (select |v_#memory_$Pointer$.base_599| .cse41) .cse42 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse31 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse33 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse37 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ 40 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_#memory_int_124| (let ((.cse24 (let ((.cse27 (let ((.cse30 (store |v_#memory_int_125| .cse33 (store (select |v_#memory_int_125| .cse33) .cse34 32)))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 5))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_124| .cse25) .cse26))))) (= |v_#memory_$Pointer$.offset_116| (store .cse35 .cse33 (store (select .cse35 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_116| .cse33) .cse34)))) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse37) .cse38)))) (let ((.cse39 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse39) .cse40) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse39) .cse40) 0)))) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse31 (store (select |v_#memory_$Pointer$.base_115| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_116| .cse31) .cse32)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse28 (store (select |v_#memory_$Pointer$.base_116| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_114| .cse28) .cse29)))) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse28 (store (select |v_#memory_$Pointer$.offset_115| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_114| .cse28) .cse29)))) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse31 (store (select |v_#memory_$Pointer$.offset_116| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_115| .cse31) .cse32)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#length_48| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= (store |v_#memory_int_757| .cse41 (store (select |v_#memory_int_757| .cse41) .cse42 (select (select |v_#memory_int_125| .cse41) .cse42))) |v_#memory_int_125|) (= (store .cse43 .cse33 (store (select .cse43 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_115| .cse33) .cse34))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse44 .cse37 (store (select .cse44 .cse37) .cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse37) .cse38)))) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr318_BEFORE_RETURN_27| 4294967296)))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse49 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse50 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse45 (= .cse50 0)) (.cse46 (= .cse49 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse45 .cse46)) (and (not .cse45) (let ((.cse47 (= .cse49 .cse50))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse47) (let ((.cse48 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse47) (<= .cse48 .cse49) (<= .cse48 .cse50))))) (not .cse46)))))) is different from false [2023-12-02 17:36:05,632 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6040#(and (exists ((|v_#memory_$Pointer$.offset_594| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_594| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_594| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~user~0#1.base|) 0))))) (<= (+ |ULTIMATE.start_main_~user~0#1.base| 1) |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 1) (mod |ULTIMATE.start_main_~bound~0#1| 4294967296)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (not (= |ULTIMATE.start_main_~user~0#1.base| 0)) (exists ((|v_#memory_$Pointer$.base_594| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_594| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_594| |ULTIMATE.start_main_~user~0#1.base|) 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~user~0#1.base|) 0))) |#memory_$Pointer$.base|)) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (exists ((|v_#length_46| (Array Int Int)) (|v_#memory_int_752| (Array Int (Array Int Int))) (|v_#valid_74| (Array Int Int))) (and (= |#memory_int| (store |v_#memory_int_752| |ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_int_752| |ULTIMATE.start_main_~user~0#1.base|) 0 |ULTIMATE.start_main_~i~0#1|))) (= |#valid| (store |v_#valid_74| |ULTIMATE.start_main_~user~0#1.base| 1)) (= (select |v_#valid_74| |ULTIMATE.start_main_~user~0#1.base|) 0) (= (store |v_#length_46| |ULTIMATE.start_main_~user~0#1.base| 72) |#length|))))' at error location [2023-12-02 17:36:05,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 17:36:05,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:36:05,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2023-12-02 17:36:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524296805] [2023-12-02 17:36:05,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 17:36:05,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:36:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:36:05,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:36:05,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2056, Unknown=116, NotChecked=190, Total=2550 [2023-12-02 17:36:05,636 INFO L87 Difference]: Start difference. First operand 217 states and 251 transitions. Second operand has 12 states, 10 states have (on average 15.1) internal successors, (151), 12 states have internal predecessors, (151), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 17:36:07,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:09,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:11,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:13,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:15,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:17,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:19,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:21,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:23,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:25,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:27,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:36:29,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []