./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:44:06,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:44:06,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-12-02 20:44:06,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:44:06,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:44:06,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:44:06,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:44:06,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:44:06,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:44:06,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:44:06,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:44:06,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:44:06,302 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:44:06,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:44:06,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:44:06,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:44:06,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:44:06,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:44:06,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:44:06,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:44:06,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:44:06,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:44:06,309 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 20:44:06,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:44:06,310 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:44:06,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:44:06,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:44:06,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:44:06,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:44:06,312 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-02 20:44:06,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:44:06,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:44:06,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:44:06,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:44:06,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:44:06,314 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:44:06,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:44:06,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:44:06,315 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:44:06,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:44:06,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:44:06,315 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:44:06,316 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:44:06,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e [2023-12-02 20:44:06,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:44:06,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:44:06,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:44:06,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:44:06,556 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:44:06,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2023-12-02 20:44:09,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:44:09,580 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:44:09,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2023-12-02 20:44:09,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/data/0dd062f63/7dc1bdbf0e104a0ba4281a01468e072e/FLAG7fa6cae88 [2023-12-02 20:44:09,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/data/0dd062f63/7dc1bdbf0e104a0ba4281a01468e072e [2023-12-02 20:44:09,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:44:09,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:44:09,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:44:09,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:44:09,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:44:09,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:44:09" (1/1) ... [2023-12-02 20:44:09,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45dfbb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:09, skipping insertion in model container [2023-12-02 20:44:09,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:44:09" (1/1) ... [2023-12-02 20:44:09,679 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:44:10,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:44:10,091 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:44:10,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:44:10,200 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:44:10,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10 WrapperNode [2023-12-02 20:44:10,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:44:10,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:44:10,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:44:10,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:44:10,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,257 INFO L138 Inliner]: procedures = 265, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-12-02 20:44:10,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:44:10,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:44:10,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:44:10,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:44:10,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:44:10,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:44:10,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:44:10,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:44:10,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (1/1) ... [2023-12-02 20:44:10,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:44:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:10,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:44:10,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:44:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:44:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 20:44:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 20:44:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:44:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:44:10,366 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:44:10,504 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:44:10,506 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:44:10,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:44:10,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:44:10,771 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:44:10,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:44:10 BoogieIcfgContainer [2023-12-02 20:44:10,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:44:10,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:44:10,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:44:10,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:44:10,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:44:09" (1/3) ... [2023-12-02 20:44:10,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353aa30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:44:10, skipping insertion in model container [2023-12-02 20:44:10,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:10" (2/3) ... [2023-12-02 20:44:10,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353aa30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:44:10, skipping insertion in model container [2023-12-02 20:44:10,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:44:10" (3/3) ... [2023-12-02 20:44:10,782 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2023-12-02 20:44:10,790 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:44:10,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:44:10,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-02 20:44:10,798 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:44:10,854 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:44:10,894 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:44:10,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:44:10,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:10,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:44:10,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:44:10,937 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:44:10,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-12-02 20:44:10,955 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=PARTIAL_ORDER_FA, 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;@434be77d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:44:10,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 20:44:11,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:11,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash -848944552, now seen corresponding path program 1 times [2023-12-02 20:44:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635814807] [2023-12-02 20:44:11,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:11,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:11,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635814807] [2023-12-02 20:44:11,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635814807] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:44:11,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:44:11,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:44:11,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79812772] [2023-12-02 20:44:11,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:44:11,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:44:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:11,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:44:11,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:44:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:11,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:11,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:11,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:44:11,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:11,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash -135417146, now seen corresponding path program 1 times [2023-12-02 20:44:11,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360979299] [2023-12-02 20:44:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:11,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:11,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360979299] [2023-12-02 20:44:11,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360979299] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:11,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900662609] [2023-12-02 20:44:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:11,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:11,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:11,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:11,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:44:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:11,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:44:11,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:11,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:44:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:11,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900662609] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:44:11,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:44:11,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-12-02 20:44:11,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196158273] [2023-12-02 20:44:11,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:44:11,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:44:11,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:11,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:44:11,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:44:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:11,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:11,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:11,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:44:12,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-02 20:44:12,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:12,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1070514618, now seen corresponding path program 2 times [2023-12-02 20:44:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:12,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370832164] [2023-12-02 20:44:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:12,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370832164] [2023-12-02 20:44:12,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370832164] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369172154] [2023-12-02 20:44:12,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:44:12,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:12,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:12,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:44:12,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:44:12,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:44:12,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 20:44:12,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:12,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:44:12,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:44:12,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:44:12,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:44:12,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:44:12,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:44:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 20:44:12,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:44:12,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369172154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:44:12,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:44:12,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-12-02 20:44:12,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139891894] [2023-12-02 20:44:12,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:44:12,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:44:12,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:12,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:44:12,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:44:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:12,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:12,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:12,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:12,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:12,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:44:12,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:12,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:12,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1756439371, now seen corresponding path program 1 times [2023-12-02 20:44:12,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:12,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620562501] [2023-12-02 20:44:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:13,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:13,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620562501] [2023-12-02 20:44:13,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620562501] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:13,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281836202] [2023-12-02 20:44:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:13,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:13,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:13,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:44:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:13,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:44:13,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:13,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:44:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:13,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281836202] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:44:13,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:44:13,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-12-02 20:44:13,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596733662] [2023-12-02 20:44:13,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:44:13,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:44:13,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:13,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:44:13,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:44:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:13,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:13,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:13,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:13,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:13,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:13,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:13,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:13,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:13,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:44:13,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:13,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:13,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1119872437, now seen corresponding path program 2 times [2023-12-02 20:44:13,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:13,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930095009] [2023-12-02 20:44:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:14,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:14,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930095009] [2023-12-02 20:44:14,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930095009] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:14,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534403061] [2023-12-02 20:44:14,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:44:14,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:14,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:14,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:44:14,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:44:14,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:44:14,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 20:44:14,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:14,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:44:14,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:44:14,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:44:14,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:44:14,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:44:14,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:44:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 20:44:14,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:44:14,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534403061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:44:14,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:44:14,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2023-12-02 20:44:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525090015] [2023-12-02 20:44:14,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:44:14,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:44:14,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:14,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:44:14,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-12-02 20:44:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:14,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:14,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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 20:44:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:14,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:14,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 20:44:14,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:14,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:14,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:14,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1458939859, now seen corresponding path program 1 times [2023-12-02 20:44:14,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:14,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885487067] [2023-12-02 20:44:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:14,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:15,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:15,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885487067] [2023-12-02 20:44:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885487067] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:15,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97211920] [2023-12-02 20:44:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:15,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:15,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:15,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:44:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:15,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:44:15,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:15,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:44:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:15,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97211920] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:44:15,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:44:15,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-12-02 20:44:15,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231146221] [2023-12-02 20:44:15,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:44:15,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:44:15,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:15,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:44:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:44:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:15,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:15,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.826086956521739) internal successors, (111), 23 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:15,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:15,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:15,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:15,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:44:16,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:44:16,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:16,199 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:16,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2025982719, now seen corresponding path program 2 times [2023-12-02 20:44:16,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051380409] [2023-12-02 20:44:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:44:17,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051380409] [2023-12-02 20:44:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051380409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:44:17,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:44:17,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 20:44:17,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051997634] [2023-12-02 20:44:17,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:44:17,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:44:17,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:17,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:44:17,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:44:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:17,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:17,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:44:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:44:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:18,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:44:18,024 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:18,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:18,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1619046709, now seen corresponding path program 1 times [2023-12-02 20:44:18,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:18,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298261428] [2023-12-02 20:44:18,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:18,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:44:48,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:44:48,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298261428] [2023-12-02 20:44:48,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298261428] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:48,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92871984] [2023-12-02 20:44:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:48,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:48,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:44:48,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:44:48,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:44:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:44:49,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 20:44:49,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:44:49,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:44:49,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:44:49,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:44:49,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:44:49,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:44:50,146 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:44:50,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:44:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 20:44:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:50,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:44:50,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 64 [2023-12-02 20:44:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:44:52,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:44:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:44:55,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2023-12-02 20:44:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:44:55,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92871984] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:44:55,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:44:55,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [35, 26] total 68 [2023-12-02 20:44:55,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285576192] [2023-12-02 20:44:55,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:44:55,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 20:44:55,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:44:55,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 20:44:55,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=4385, Unknown=1, NotChecked=0, Total=4692 [2023-12-02 20:44:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:55,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:44:55,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:44:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:44:56,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:44:56,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:44:56,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:44:56,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:44:56,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1349156713, now seen corresponding path program 1 times [2023-12-02 20:44:56,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:44:56,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209995649] [2023-12-02 20:44:56,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:44:56,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:44:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:45:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:45:21,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:45:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209995649] [2023-12-02 20:45:21,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209995649] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:45:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136750712] [2023-12-02 20:45:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:45:21,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:45:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:45:21,044 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:45:21,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:45:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:45:21,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 20:45:21,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:45:21,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:45:21,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:45:21,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:45:21,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:45:21,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:45:22,086 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:45:22,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:45:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 20:45:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2023-12-02 20:45:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:22,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:45:22,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 79 [2023-12-02 20:45:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:45:22,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:45:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:25,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2023-12-02 20:45:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:45:26,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136750712] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:45:26,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:45:26,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [32, 26] total 66 [2023-12-02 20:45:26,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882138980] [2023-12-02 20:45:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:45:26,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:45:26,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:45:26,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:45:26,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=4129, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 20:45:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:26,030 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:45:26,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:45:28,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:45:28,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:45:28,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:45:28,612 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:45:28,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:45:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1125816229, now seen corresponding path program 1 times [2023-12-02 20:45:28,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:45:28,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098900856] [2023-12-02 20:45:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:45:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:45:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:45:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:45:53,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:45:53,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098900856] [2023-12-02 20:45:53,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098900856] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:45:53,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050827638] [2023-12-02 20:45:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:45:53,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:45:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:45:53,075 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:45:53,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:45:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:45:53,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 20:45:53,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:45:53,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:45:53,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:45:53,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:45:53,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:45:53,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:45:54,134 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:45:54,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:45:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 20:45:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2023-12-02 20:45:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 73 [2023-12-02 20:45:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:45:54,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:45:54,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 82 [2023-12-02 20:45:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:45:56,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:46:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:46:03,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2023-12-02 20:46:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:46:03,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050827638] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:46:03,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:46:03,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [32, 27] total 68 [2023-12-02 20:46:03,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31242615] [2023-12-02 20:46:03,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:46:03,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:46:03,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:46:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:46:03,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=4365, Unknown=1, NotChecked=0, Total=4692 [2023-12-02 20:46:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:46:03,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:46:03,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:46:03,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:03,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:03,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:07,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:46:07,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:46:08,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:46:08,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:46:08,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:46:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1742384017, now seen corresponding path program 3 times [2023-12-02 20:46:08,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:46:08,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200447848] [2023-12-02 20:46:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:46:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:46:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:28,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200447848] [2023-12-02 20:49:28,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200447848] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:49:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377483261] [2023-12-02 20:49:28,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:49:28,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:49:28,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:28,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:49:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:49:28,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-12-02 20:49:28,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:49:28,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 20:49:28,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:49:29,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:49:29,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:49:29,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:49:29,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:49:29,560 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2023-12-02 20:49:29,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 13 [2023-12-02 20:49:29,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:29,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:49:29,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:49:29,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:29,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:49:29,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:49:29,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2023-12-02 20:49:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:49:29,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:49:29,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377483261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:29,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:49:29,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [34] total 42 [2023-12-02 20:49:29,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861860893] [2023-12-02 20:49:29,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:29,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 20:49:29,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:29,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 20:49:29,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1645, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 20:49:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:29,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:29,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:29,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:29,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:29,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:29,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:49:31,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:49:31,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 20:49:31,272 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:49:31,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:31,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1801619353, now seen corresponding path program 1 times [2023-12-02 20:49:31,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:31,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51445663] [2023-12-02 20:49:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:49:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:33,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51445663] [2023-12-02 20:49:33,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51445663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:33,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:33,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-02 20:49:33,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140821081] [2023-12-02 20:49:33,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:33,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:49:33,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:49:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:49:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:33,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:33,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:49:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:49:33,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:38,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:49:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:49:50,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 20:49:50,812 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:49:50,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:50,812 INFO L85 PathProgramCache]: Analyzing trace with hash -524546318, now seen corresponding path program 1 times [2023-12-02 20:49:50,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:50,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948292133] [2023-12-02 20:49:50,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:50,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:50:07,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:50:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948292133] [2023-12-02 20:50:07,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948292133] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:50:07,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620840983] [2023-12-02 20:50:07,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:50:07,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:50:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:50:07,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:50:07,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:50:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:50:07,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 20:50:07,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:50:08,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:50:08,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:50:08,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:50:08,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:50:08,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:50:08,614 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2023-12-02 20:50:08,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 13 [2023-12-02 20:50:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2023-12-02 20:50:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:08,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2023-12-02 20:50:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 84 [2023-12-02 20:50:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 98 [2023-12-02 20:50:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:50:09,649 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:50:09,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 92 [2023-12-02 20:50:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:50:19,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:51:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:51:03,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 4 [2023-12-02 20:51:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,595 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:51:03,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 4 [2023-12-02 20:51:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:51:03,604 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:51:03,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 4 [2023-12-02 20:51:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:51:04,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620840983] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:51:04,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:51:04,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [39, 32] total 62 [2023-12-02 20:51:04,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109050474] [2023-12-02 20:51:04,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:51:04,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 20:51:04,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:51:04,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 20:51:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=3492, Unknown=12, NotChecked=0, Total=3906 [2023-12-02 20:51:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:04,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:51:04,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:51:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:51:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:51:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:51:14,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:16,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:23,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:25,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:27,218 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse18 (select |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base|)) (.cse16 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 1)) (.cse9 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 2)) (.cse3 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 3))) (let ((.cse11 (store |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base| (store (store (store .cse18 .cse16 0) .cse9 0) .cse3 0))) (.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base| (store .cse18 .cse3 0)))) (let ((.cse7 (* |c_t_funThread1of1ForFork0_~p~0#1.offset| 27)) (.cse6 (not (= |c_t_funThread1of1ForFork0_~p~0#1.base| |c_~#a~0.base|))) (.cse1 (select .cse0 |c_~#a~0.base|)) (.cse12 (select .cse11 |c_~#a~0.base|)) (.cse4 (select |c_#pthreadsMutex| |c_~#a~0.base|))) (and (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse2 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse2 |c_~#a~0.offset| 1) 0) (+ .cse2 2 |c_~#a~0.offset|) 0) (+ .cse2 3 |c_~#a~0.offset|) 0) (+ .cse2 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0)) (not (= (select .cse4 (+ .cse2 |c_~#a~0.offset| 4)) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse5 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse5 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse5 |c_~#a~0.offset| 1) 0) (+ .cse5 2 |c_~#a~0.offset|) 0) (+ .cse5 3 |c_~#a~0.offset|) 0) (+ .cse5 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (or .cse6 (not (= (mod (+ .cse7 |c_~#a~0.offset| 27) 28) 0))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse8 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse8 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse8 |c_~#a~0.offset| 1) 0) (+ .cse8 2 |c_~#a~0.offset|) 0) (+ .cse8 3 |c_~#a~0.offset|) 0) (+ .cse8 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse9) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse10 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse10 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse11 |c_~#a~0.base| (store (store (store (store .cse12 (+ .cse10 |c_~#a~0.offset| 1) 0) (+ .cse10 2 |c_~#a~0.offset|) 0) (+ .cse10 3 |c_~#a~0.offset|) 0) (+ .cse10 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse9) 0))))) (or (not (= (mod (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 3 (* |c_~#a~0.offset| 27)) 28) 0)) .cse6) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse13 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse13 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse11 |c_~#a~0.base| (store (store (store (store .cse12 (+ .cse13 |c_~#a~0.offset| 1) 0) (+ .cse13 2 |c_~#a~0.offset|) 0) (+ .cse13 3 |c_~#a~0.offset|) 0) (+ .cse13 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0))))) (or (not (= (mod (+ .cse7 |c_~#a~0.offset| 26) 28) 0)) .cse6) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse14 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse14 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse11 |c_~#a~0.base| (store (store (store (store .cse12 (+ .cse14 |c_~#a~0.offset| 1) 0) (+ .cse14 2 |c_~#a~0.offset|) 0) (+ .cse14 3 |c_~#a~0.offset|) 0) (+ .cse14 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse15 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse15 |c_~#a~0.offset| 1) 0) (+ .cse15 2 |c_~#a~0.offset|) 0) (+ .cse15 3 |c_~#a~0.offset|) 0) (+ .cse15 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse16) 0)) (not (= (select .cse4 (+ .cse15 |c_~#a~0.offset| 4)) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse17 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse11 |c_~#a~0.base| (store (store (store (store .cse12 (+ .cse17 |c_~#a~0.offset| 1) 0) (+ .cse17 2 |c_~#a~0.offset|) 0) (+ .cse17 3 |c_~#a~0.offset|) 0) (+ .cse17 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse16) 0)) (not (= (select .cse4 (+ .cse17 |c_~#a~0.offset| 4)) 0))))))))) is different from true [2023-12-02 20:51:29,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:31,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:33,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:35,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:37,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:39,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:40,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:43,056 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base|)) (.cse18 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 1)) (.cse8 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 2)) (.cse3 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 3))) (let ((.cse14 (store |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base| (store (store (store .cse11 .cse18 0) .cse8 0) .cse3 0))) (.cse0 (store |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base| (store .cse11 .cse3 0)))) (let ((.cse7 (select |c_#race| |c_~#a~0.base|)) (.cse1 (select .cse0 |c_~#a~0.base|)) (.cse15 (select .cse14 |c_~#a~0.base|)) (.cse4 (select |c_#pthreadsMutex| |c_~#a~0.base|))) (and (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse2 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse2 |c_~#a~0.offset| 1) 0) (+ .cse2 2 |c_~#a~0.offset|) 0) (+ .cse2 3 |c_~#a~0.offset|) 0) (+ .cse2 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0)) (not (= (select .cse4 (+ .cse2 |c_~#a~0.offset| 4)) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse5 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse5 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse5 |c_~#a~0.offset| 1) 0) (+ .cse5 2 |c_~#a~0.offset|) 0) (+ .cse5 3 |c_~#a~0.offset|) 0) (+ .cse5 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse6 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse6 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse7 (+ .cse6 |c_~#a~0.offset| 1) 0) (+ .cse6 2 |c_~#a~0.offset|) 0) (+ .cse6 3 |c_~#a~0.offset|) 0) (+ .cse6 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse8) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse9 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse9 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse7 (+ .cse9 |c_~#a~0.offset| 1) 0) (+ .cse9 2 |c_~#a~0.offset|) 0) (+ .cse9 3 |c_~#a~0.offset|) 0) (+ .cse9 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse10 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse10 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse7 (+ .cse10 |c_~#a~0.offset| 1) 0) (+ .cse10 2 |c_~#a~0.offset|) 0) (+ .cse10 3 |c_~#a~0.offset|) 0) (+ .cse10 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0))))) (= (select .cse11 .cse3) 0) (= 0 (select .cse11 |c_t_funThread1of1ForFork0_~p~0#1.offset|)) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse12 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse12 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse12 |c_~#a~0.offset| 1) 0) (+ .cse12 2 |c_~#a~0.offset|) 0) (+ .cse12 3 |c_~#a~0.offset|) 0) (+ .cse12 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse8) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse13 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse13 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse14 |c_~#a~0.base| (store (store (store (store .cse15 (+ .cse13 |c_~#a~0.offset| 1) 0) (+ .cse13 2 |c_~#a~0.offset|) 0) (+ .cse13 3 |c_~#a~0.offset|) 0) (+ .cse13 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse8) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse16 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse16 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse14 |c_~#a~0.base| (store (store (store (store .cse15 (+ .cse16 |c_~#a~0.offset| 1) 0) (+ .cse16 2 |c_~#a~0.offset|) 0) (+ .cse16 3 |c_~#a~0.offset|) 0) (+ .cse16 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse17 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse7 (+ .cse17 |c_~#a~0.offset| 1) 0) (+ .cse17 2 |c_~#a~0.offset|) 0) (+ .cse17 3 |c_~#a~0.offset|) 0) (+ .cse17 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse18) 0)) (not (= (select .cse4 (+ .cse17 |c_~#a~0.offset| 4)) 0))))) (= (select .cse11 .cse8) 0) (= (select .cse11 .cse18) 0) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse19 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse4 (+ .cse19 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse14 |c_~#a~0.base| (store (store (store (store .cse15 (+ .cse19 |c_~#a~0.offset| 1) 0) (+ .cse19 2 |c_~#a~0.offset|) 0) (+ .cse19 3 |c_~#a~0.offset|) 0) (+ .cse19 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse20 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse0 |c_~#a~0.base| (store (store (store (store .cse1 (+ .cse20 |c_~#a~0.offset| 1) 0) (+ .cse20 2 |c_~#a~0.offset|) 0) (+ .cse20 3 |c_~#a~0.offset|) 0) (+ .cse20 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse18) 0)) (not (= (select .cse4 (+ .cse20 |c_~#a~0.offset| 4)) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse21 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse14 |c_~#a~0.base| (store (store (store (store .cse15 (+ .cse21 |c_~#a~0.offset| 1) 0) (+ .cse21 2 |c_~#a~0.offset|) 0) (+ .cse21 3 |c_~#a~0.offset|) 0) (+ .cse21 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse18) 0)) (not (= (select .cse4 (+ .cse21 |c_~#a~0.offset| 4)) 0))))))))) is different from true [2023-12-02 20:51:51,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:53,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:55,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:57,330 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 1)) (.cse3 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 2)) (.cse6 (+ |c_t_funThread1of1ForFork0_~p~0#1.offset| 3))) (let ((.cse8 (store |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base| (store (store (store (select |c_#race| |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse12 0) .cse3 0) .cse6 0)))) (let ((.cse2 (select |c_#race| |c_~#a~0.base|)) (.cse9 (select .cse8 |c_~#a~0.base|)) (.cse0 (select |c_#pthreadsMutex| |c_~#a~0.base|))) (and (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse1 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse1 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse2 (+ .cse1 |c_~#a~0.offset| 1) 0) (+ .cse1 2 |c_~#a~0.offset|) 0) (+ .cse1 3 |c_~#a~0.offset|) 0) (+ .cse1 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse4 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse4 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse2 (+ .cse4 |c_~#a~0.offset| 1) 0) (+ .cse4 2 |c_~#a~0.offset|) 0) (+ .cse4 3 |c_~#a~0.offset|) 0) (+ .cse4 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse5 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse5 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse2 (+ .cse5 |c_~#a~0.offset| 1) 0) (+ .cse5 2 |c_~#a~0.offset|) 0) (+ .cse5 3 |c_~#a~0.offset|) 0) (+ .cse5 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse6) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse7 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse7 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse8 |c_~#a~0.base| (store (store (store (store .cse9 (+ .cse7 |c_~#a~0.offset| 1) 0) (+ .cse7 2 |c_~#a~0.offset|) 0) (+ .cse7 3 |c_~#a~0.offset|) 0) (+ .cse7 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse3) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse10 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse10 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse8 |c_~#a~0.base| (store (store (store (store .cse9 (+ .cse10 |c_~#a~0.offset| 1) 0) (+ .cse10 2 |c_~#a~0.offset|) 0) (+ .cse10 3 |c_~#a~0.offset|) 0) (+ .cse10 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse6) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse11 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store |c_#race| |c_~#a~0.base| (store (store (store (store .cse2 (+ .cse11 |c_~#a~0.offset| 1) 0) (+ .cse11 2 |c_~#a~0.offset|) 0) (+ .cse11 3 |c_~#a~0.offset|) 0) (+ .cse11 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse12) 0)) (not (= (select .cse0 (+ .cse11 |c_~#a~0.offset| 4)) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse13 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (not (= (select .cse0 (+ .cse13 |c_~#a~0.offset| 4)) 0)) (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse8 |c_~#a~0.base| (store (store (store (store .cse9 (+ .cse13 |c_~#a~0.offset| 1) 0) (+ .cse13 2 |c_~#a~0.offset|) 0) (+ .cse13 3 |c_~#a~0.offset|) 0) (+ .cse13 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 0))))) (forall ((|ULTIMATE.start_main_~i~2#1| Int)) (let ((.cse14 (* |ULTIMATE.start_main_~i~2#1| 28))) (or (forall ((|ULTIMATE.start_main_#t~nondet43#1| Int)) (= (select (select (store .cse8 |c_~#a~0.base| (store (store (store (store .cse9 (+ .cse14 |c_~#a~0.offset| 1) 0) (+ .cse14 2 |c_~#a~0.offset|) 0) (+ .cse14 3 |c_~#a~0.offset|) 0) (+ .cse14 |c_~#a~0.offset|) |ULTIMATE.start_main_#t~nondet43#1|)) |c_t_funThread1of1ForFork0_~p~0#1.base|) .cse12) 0)) (not (= (select .cse0 (+ .cse14 |c_~#a~0.offset| 4)) 0))))))))) is different from true [2023-12-02 20:51:58,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:51:59,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:52:14,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:52:17,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:52:20,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:52:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:52:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:52:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:52:24,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 20:52:24,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 20:52:24,896 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:52:24,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:52:24,897 INFO L85 PathProgramCache]: Analyzing trace with hash 918930302, now seen corresponding path program 1 times [2023-12-02 20:52:24,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:52:24,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753424451] [2023-12-02 20:52:24,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:24,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:52:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:52:38,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:52:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753424451] [2023-12-02 20:52:38,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753424451] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:52:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290518964] [2023-12-02 20:52:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:52:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:52:38,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:52:38,740 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:52:38,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:52:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:52:38,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 20:52:38,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:52:39,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:52:39,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:52:39,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:52:39,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:52:39,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:52:40,042 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:52:40,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:52:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 20:52:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2023-12-02 20:52:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 73 [2023-12-02 20:52:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2023-12-02 20:52:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:40,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2023-12-02 20:52:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:52:41,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:52:41,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 95 treesize of output 112 [2023-12-02 20:52:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:52:57,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:53:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:03,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2023-12-02 20:53:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:53:03,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290518964] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:53:03,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:53:03,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33, 29] total 72 [2023-12-02 20:53:03,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738113170] [2023-12-02 20:53:03,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:53:03,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 20:53:03,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:53:03,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 20:53:03,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=4858, Unknown=8, NotChecked=0, Total=5256 [2023-12-02 20:53:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:03,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:53:03,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:03,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:03,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:53:03,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:53:03,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:53:03,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:53:20,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:53:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:53:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:53:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:53:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:53:26,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:53:26,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:53:26,346 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:53:26,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1577934951, now seen corresponding path program 1 times [2023-12-02 20:53:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:53:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211821685] [2023-12-02 20:53:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:53:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:53:39,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:53:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211821685] [2023-12-02 20:53:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211821685] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:53:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975643244] [2023-12-02 20:53:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:53:39,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:53:39,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:53:39,348 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:53:39,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:53:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:53:39,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 20:53:39,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:53:40,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:53:40,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:53:40,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:53:40,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:53:40,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-12-02 20:53:40,696 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:53:40,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:53:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:40,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 20:53:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2023-12-02 20:53:41,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 73 [2023-12-02 20:53:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2023-12-02 20:53:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2023-12-02 20:53:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:41,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 103 [2023-12-02 20:53:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:53:42,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:53:42,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 115 [2023-12-02 20:53:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:53:56,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:54:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:02,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2023-12-02 20:54:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:54:02,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975643244] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 20:54:02,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:54:02,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [32, 30] total 71 [2023-12-02 20:54:02,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315863723] [2023-12-02 20:54:02,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:02,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:54:02,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:54:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:54:02,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=4728, Unknown=7, NotChecked=0, Total=5112 [2023-12-02 20:54:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:02,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:02,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:02,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:02,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:54:02,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:54:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:54:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:54:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:18,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:54:18,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:54:18,408 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:54:18,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1671345784, now seen corresponding path program 1 times [2023-12-02 20:54:18,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:54:18,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810007581] [2023-12-02 20:54:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:54:21,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:54:21,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810007581] [2023-12-02 20:54:21,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810007581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:54:21,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:54:21,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 20:54:21,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110592443] [2023-12-02 20:54:21,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:54:21,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:54:21,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:54:21,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:54:21,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:54:21,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:21,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:54:21,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:54:21,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:21,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:54:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:54:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:54:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:54:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:54:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:54:23,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 20:54:23,895 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:54:23,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1106246962, now seen corresponding path program 2 times [2023-12-02 20:54:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:54:23,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441013992] [2023-12-02 20:54:23,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:54:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:51,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:54:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441013992] [2023-12-02 20:54:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441013992] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:54:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213643306] [2023-12-02 20:54:51,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:54:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:54:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:54:51,543 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:54:51,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:54:51,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:54:51,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:54:51,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 20:54:51,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:51,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 20:54:51,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:54:51,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 20:54:51,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 20:54:52,101 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 20:54:52,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2023-12-02 20:54:52,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2023-12-02 20:54:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2023-12-02 20:54:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2023-12-02 20:54:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 76 [2023-12-02 20:54:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:54:52,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:54:52,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 114 treesize of output 92 [2023-12-02 20:55:13,479 INFO L349 Elim1Store]: treesize reduction 716, result has 18.3 percent of original size [2023-12-02 20:55:13,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 42 case distinctions, treesize of input 215 treesize of output 271 [2023-12-02 20:55:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-02 20:55:17,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:55:17,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213643306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:55:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:55:17,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [36] total 48 [2023-12-02 20:55:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059886224] [2023-12-02 20:55:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:55:17,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 20:55:17,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:55:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 20:55:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2155, Unknown=12, NotChecked=0, Total=2352 [2023-12-02 20:55:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:17,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:55:17,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:55:17,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:55:17,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:55:17,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:55:19,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:21,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:24,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:26,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:28,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:30,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:32,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:36,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:38,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:46,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:48,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:52,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:54,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:55:56,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:08,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:11,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:13,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:15,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:17,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:19,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:21,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:23,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:25,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:27,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:29,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:31,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:33,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:35,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:37,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:39,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:41,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:43,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:45,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:47,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:49,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:51,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:53,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:55,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:56:56,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:57:00,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:57:02,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:57:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:57:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:57:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:57:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:57:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:57:03,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:57:03,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c78270ba-f329-4efb-b5bd-7345ec4dba4f/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 20:57:03,201 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-12-02 20:57:03,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:57:03,201 INFO L85 PathProgramCache]: Analyzing trace with hash -66085570, now seen corresponding path program 2 times [2023-12-02 20:57:03,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:57:03,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726547375] [2023-12-02 20:57:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:57:03,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:57:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat