./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4c79b7a5b8db7237eb9e98d6143d48d2d4ec5b8465b95c5ccb44c5e387749db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 01:41:24,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 01:41:24,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 01:41:24,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 01:41:24,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 01:41:24,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 01:41:24,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 01:41:24,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 01:41:24,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 01:41:24,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 01:41:24,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 01:41:24,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 01:41:24,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 01:41:24,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 01:41:24,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 01:41:24,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 01:41:24,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 01:41:24,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 01:41:24,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 01:41:24,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 01:41:24,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 01:41:24,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 01:41:24,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 01:41:24,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 01:41:24,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 01:41:24,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 01:41:24,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 01:41:24,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 01:41:24,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 01:41:24,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 01:41:24,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 01:41:24,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 01:41:24,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 01:41:24,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 01:41:24,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 01:41:24,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 01:41:24,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 01:41:24,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 01:41:24,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 01:41:24,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 01:41:24,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 01:41:24,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-16 01:41:24,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 01:41:24,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 01:41:24,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 01:41:24,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 01:41:24,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 01:41:24,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 01:41:24,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 01:41:24,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 01:41:24,374 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 01:41:24,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 01:41:24,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 01:41:24,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 01:41:24,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 01:41:24,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 01:41:24,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 01:41:24,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 01:41:24,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 01:41:24,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 01:41:24,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 01:41:24,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 01:41:24,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 01:41:24,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 01:41:24,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 01:41:24,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 01:41:24,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 01:41:24,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:41:24,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 01:41:24,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 01:41:24,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 01:41:24,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 01:41:24,381 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-16 01:41:24,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 01:41:24,381 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 01:41:24,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 01:41:24,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 01:41:24,382 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 01:41:24,382 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 01:41:24,383 INFO L138 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_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c79b7a5b8db7237eb9e98d6143d48d2d4ec5b8465b95c5ccb44c5e387749db [2022-11-16 01:41:24,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 01:41:24,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 01:41:24,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 01:41:24,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 01:41:24,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 01:41:24,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-11-16 01:41:24,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/data/929564641/50ca158423444240904b83b2d8f4c7e5/FLAG09f59bdde [2022-11-16 01:41:25,267 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 01:41:25,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-11-16 01:41:25,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/data/929564641/50ca158423444240904b83b2d8f4c7e5/FLAG09f59bdde [2022-11-16 01:41:25,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/data/929564641/50ca158423444240904b83b2d8f4c7e5 [2022-11-16 01:41:25,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 01:41:25,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 01:41:25,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 01:41:25,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 01:41:25,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 01:41:25,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:25,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3c410f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25, skipping insertion in model container [2022-11-16 01:41:25,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:25,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 01:41:25,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 01:41:25,911 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2022-11-16 01:41:25,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:41:25,923 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 01:41:25,944 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2022-11-16 01:41:25,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:41:25,959 INFO L208 MainTranslator]: Completed translation [2022-11-16 01:41:25,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25 WrapperNode [2022-11-16 01:41:25,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 01:41:25,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 01:41:25,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 01:41:25,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 01:41:25,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:25,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:25,995 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-16 01:41:25,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 01:41:25,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 01:41:25,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 01:41:25,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 01:41:26,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,017 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 01:41:26,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 01:41:26,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 01:41:26,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 01:41:26,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (1/1) ... [2022-11-16 01:41:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:41:26,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:41:26,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 01:41:26,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 01:41:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 01:41:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 01:41:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 01:41:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 01:41:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 01:41:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 01:41:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 01:41:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 01:41:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 01:41:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 01:41:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 01:41:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 01:41:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 01:41:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 01:41:26,105 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 01:41:26,201 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 01:41:26,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 01:41:26,388 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 01:41:26,477 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 01:41:26,485 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 01:41:26,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:41:26 BoogieIcfgContainer [2022-11-16 01:41:26,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 01:41:26,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 01:41:26,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 01:41:26,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 01:41:26,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:41:25" (1/3) ... [2022-11-16 01:41:26,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758efe7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:41:26, skipping insertion in model container [2022-11-16 01:41:26,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:41:25" (2/3) ... [2022-11-16 01:41:26,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758efe7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:41:26, skipping insertion in model container [2022-11-16 01:41:26,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:41:26" (3/3) ... [2022-11-16 01:41:26,505 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2022-11-16 01:41:26,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 01:41:26,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 01:41:26,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 01:41:26,529 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 01:41:26,639 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 01:41:26,697 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:41:26,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 01:41:26,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:41:26,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 01:41:26,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 01:41:26,735 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 01:41:26,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 01:41:26,759 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=LoopsAndPotentialCycles, 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;@75940e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:41:26,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 01:41:26,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 01:41:26,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:41:26,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1307911884, now seen corresponding path program 1 times [2022-11-16 01:41:26,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:41:26,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746493681] [2022-11-16 01:41:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:41:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:41:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:41:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:27,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:41:27,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746493681] [2022-11-16 01:41:27,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746493681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 01:41:27,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 01:41:27,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 01:41:27,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398457581] [2022-11-16 01:41:27,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 01:41:27,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 01:41:27,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:41:27,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 01:41:27,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 01:41:27,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:27,283 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:41:27,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 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) [2022-11-16 01:41:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:27,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 01:41:27,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 01:41:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:41:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash -135427179, now seen corresponding path program 1 times [2022-11-16 01:41:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:41:27,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765064363] [2022-11-16 01:41:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:41:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:41:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:41:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:28,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:41:28,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765064363] [2022-11-16 01:41:28,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765064363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 01:41:28,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 01:41:28,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 01:41:28,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134205891] [2022-11-16 01:41:28,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 01:41:28,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 01:41:28,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:41:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 01:41:28,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 01:41:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:28,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:41:28,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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) [2022-11-16 01:41:28,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:28,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:41:28,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 01:41:28,385 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 01:41:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:41:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1002469134, now seen corresponding path program 1 times [2022-11-16 01:41:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:41:28,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847543778] [2022-11-16 01:41:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:41:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:41:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:41:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:41:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847543778] [2022-11-16 01:41:31,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847543778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 01:41:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232769017] [2022-11-16 01:41:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:41:31,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 01:41:31,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:41:31,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 01:41:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 01:41:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:41:32,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 01:41:32,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 01:41:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:33,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 01:41:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:38,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232769017] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 01:41:38,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 01:41:38,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 37 [2022-11-16 01:41:38,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363769729] [2022-11-16 01:41:38,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 01:41:38,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-16 01:41:38,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:41:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-16 01:41:38,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1123, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 01:41:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:38,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:41:38,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 37 states have internal predecessors, (165), 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) [2022-11-16 01:41:38,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:38,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:41:38,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:41:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:41:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 01:41:50,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 01:41:50,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 01:41:50,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 01:41:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:41:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1747078489, now seen corresponding path program 2 times [2022-11-16 01:41:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:41:50,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060098603] [2022-11-16 01:41:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:41:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:41:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:41:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:41:55,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:41:55,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060098603] [2022-11-16 01:41:55,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060098603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 01:41:55,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028479916] [2022-11-16 01:41:55,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 01:41:55,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 01:41:55,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:41:55,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 01:41:55,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 01:41:55,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 01:41:55,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 01:41:55,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-16 01:41:55,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 01:42:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:42:00,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 01:42:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:42:08,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028479916] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 01:42:08,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 01:42:08,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 21] total 55 [2022-11-16 01:42:08,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957092854] [2022-11-16 01:42:08,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 01:42:08,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-16 01:42:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:42:08,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-16 01:42:08,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=2502, Unknown=0, NotChecked=0, Total=2970 [2022-11-16 01:42:08,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:42:08,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:42:08,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 3.6545454545454548) internal successors, (201), 55 states have internal predecessors, (201), 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) [2022-11-16 01:42:08,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:42:08,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:42:08,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 01:42:08,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:43:21,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:43:56,932 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (+ c_~m~0 2)) (.cse7 (+ c_~m~0 5)) (.cse9 (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (.cse1 (< 0 (mod c_~t~0 4294967296))) (.cse5 (+ c_~m~0 3)) (.cse0 (mod (+ c_~S~0 c_~T~0) 4294967296)) (.cse6 (+ c_~m~0 4)) (.cse8 (< (+ (* (div (+ c_~s~0 (- 3)) 4294967296) 4294967296) 3) c_~s~0))) (and (= (mod c_~m~0 4294967296) .cse0) (or .cse1 (let ((.cse3 (+ c_~m~0 1))) (and (or (< 0 (mod c_~s~0 4294967296)) (let ((.cse2 (* (div c_~m~0 4294967296) 4294967296))) (and (< c_~m~0 (+ .cse0 .cse2 1)) (< (+ .cse0 .cse2) .cse3)))) (or (and (< c_~m~0 (+ .cse0 (* (div (+ c_~m~0 (- 4294967295)) 4294967296) 4294967296) 4294967296)) (< (+ .cse0 (* (div .cse3 4294967296) 4294967296)) .cse4)) (< (+ (* (div (+ c_~s~0 (- 1)) 4294967296) 4294967296) 1) c_~s~0))))) (or .cse1 (< (+ 2 (* (div (+ c_~s~0 (- 2)) 4294967296) 4294967296)) c_~s~0) (and (< c_~m~0 (+ .cse0 4294967295 (* 4294967296 (div (+ c_~m~0 (- 4294967294)) 4294967296)))) (< (+ .cse0 (* (div .cse4 4294967296) 4294967296)) .cse5))) (or (and (< (+ (* (div .cse6 4294967296) 4294967296) .cse0) .cse7) (< c_~m~0 (+ .cse0 (* (div (+ (- 4294967292) c_~m~0) 4294967296) 4294967296) 4294967293))) .cse8 .cse9) (or (< (+ (* 4294967296 (div (+ c_~s~0 (- 4)) 4294967296)) 4) c_~s~0) (= (mod c_thread1Thread1of1ForFork1_~cond~0 256) 0) (and (< c_~m~0 (+ 4294967292 .cse0 (* (div (+ (- 4294967291) c_~m~0) 4294967296) 4294967296))) (< (+ (* (div .cse7 4294967296) 4294967296) .cse0) (+ c_~m~0 6))) .cse9) (or .cse1 (and (< c_~m~0 (+ .cse0 4294967294 (* (div (+ c_~m~0 (- 4294967293)) 4294967296) 4294967296))) (< (+ (* (div .cse5 4294967296) 4294967296) .cse0) .cse6)) .cse8))) is different from false [2022-11-16 01:44:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:44:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:44:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 01:44:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-11-16 01:44:13,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 01:44:13,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 01:44:13,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 01:44:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:44:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1941460217, now seen corresponding path program 3 times [2022-11-16 01:44:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:44:13,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299678885] [2022-11-16 01:44:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:44:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:44:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:44:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:44:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:44:29,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299678885] [2022-11-16 01:44:29,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299678885] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 01:44:29,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129613849] [2022-11-16 01:44:29,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 01:44:29,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 01:44:29,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 [2022-11-16 01:44:29,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 01:44:29,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62144d81-657c-47fa-83b5-b22e45fe9f59/bin/ugemcutter-0EfhiD2kp6/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 01:44:32,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 01:44:32,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 01:44:32,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 01:44:32,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 01:45:53,579 WARN L233 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:45:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:45:55,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 01:46:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:46:51,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129613849] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 01:46:51,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 01:46:51,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 38, 32] total 101 [2022-11-16 01:46:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052666585] [2022-11-16 01:46:51,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 01:46:51,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-11-16 01:46:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:46:51,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-11-16 01:46:51,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1671, Invalid=8428, Unknown=1, NotChecked=0, Total=10100 [2022-11-16 01:46:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:46:51,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:46:51,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.5247524752475248) internal successors, (255), 101 states have internal predecessors, (255), 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) [2022-11-16 01:46:51,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:46:51,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 01:46:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 01:46:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-11-16 01:46:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:48:09,267 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 258 DAG size of output: 249 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:48:11,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:48:14,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:49:24,980 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 272 DAG size of output: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:49:27,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:49:30,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:49:46,323 WARN L233 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 281 DAG size of output: 25 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:50:00,109 WARN L233 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 283 DAG size of output: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:50:14,686 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification. DAG size of input: 285 DAG size of output: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:50:35,335 WARN L233 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 291 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:50:49,996 WARN L233 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 293 DAG size of output: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:51:06,350 WARN L233 SmtUtils]: Spent 13.90s on a formula simplification. DAG size of input: 295 DAG size of output: 41 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:51:15,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:51:31,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:52:16,625 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 161 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:52:30,138 WARN L233 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 181 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:52:36,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:52:55,223 WARN L233 SmtUtils]: Spent 17.29s on a formula simplification. DAG size of input: 182 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:53:43,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 01:53:45,758 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (div c_~m~0 4294967296)) (.cse5 (+ c_~S~0 c_~T~0))) (let ((.cse10 (div .cse5 4294967296)) (.cse13 (* .cse15 4294967296))) (let ((.cse16 (+ c_~S~0 c_~T~0 .cse13)) (.cse14 (* .cse10 4294967296))) (let ((.cse0 (< .cse16 (+ c_~m~0 .cse14 1))) (.cse2 (<= (+ c_~m~0 .cse14) .cse16)) (.cse1 (<= .cse15 0)) (.cse3 (not (<= (+ .cse15 1) 0)))) (and (< 0 (mod c_~S~0 4294967296)) (< 0 (mod c_~T~0 4294967296)) (or (and (<= (div c_thread1Thread1of1ForFork1_~cond~0 256) 0) (<= 1 c_thread1Thread1of1ForFork1_~cond~0)) (and .cse0 .cse1 .cse2 .cse3)) (or (< (+ 10 (* (div (+ c_~s~0 (- 10)) 4294967296) 4294967296)) c_~s~0) (let ((.cse4 (mod .cse5 4294967296))) (and (< c_~m~0 (+ (* (div (+ c_~m~0 (- 4294967286)) 4294967296) 4294967296) .cse4 4294967287)) (< (+ (* 4294967296 (div (+ c_~m~0 10) 4294967296)) .cse4) (+ c_~m~0 11)))) (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (= c_~T~0 (+ c_~t~0 1)) (let ((.cse6 (< 0 (mod c_~t~0 4294967296)))) (or (and .cse6 (or (and (= c_~m~0 2) (= (+ c_~s~0 1) c_~S~0) (<= (+ (* (div (+ (- 2) c_~S~0) 4294967296) 4294967296) 4294967297) c_~S~0)) (and (= (+ c_~s~0 8) c_~S~0) (= c_~m~0 9) (<= (+ (* (div (+ (- 9) c_~S~0) 4294967296) 4294967296) 4294967304) c_~S~0)) (and (<= (+ (* (div (+ c_~S~0 (- 3)) 4294967296) 4294967296) 4294967298) c_~S~0) (= c_~m~0 3) (= c_~S~0 (+ c_~s~0 2))) (and (= c_~m~0 5) (= c_~S~0 (+ c_~s~0 4)) (<= (+ (* (div (+ c_~S~0 (- 5)) 4294967296) 4294967296) 4294967300) c_~S~0)) (and (= c_~m~0 4) (<= (+ (* (div (+ c_~S~0 (- 4)) 4294967296) 4294967296) 4294967299) c_~S~0) (= (+ c_~s~0 3) c_~S~0)) (and (= (+ c_~s~0 6) c_~S~0) (= 7 c_~m~0) (<= (+ 4294967302 (* (div (+ c_~S~0 (- 7)) 4294967296) 4294967296)) c_~S~0)) (and (= c_~S~0 (+ c_~s~0 5)) (<= (+ (* (div (+ c_~s~0 (- 1)) 4294967296) 4294967296) 4294967296) c_~s~0) (= c_~m~0 6)) (and (= c_~m~0 8) (<= (+ 4294967303 (* (div (+ c_~S~0 (- 8)) 4294967296) 4294967296)) c_~S~0) (= (+ c_~s~0 7) c_~S~0)))) (let ((.cse7 (< 0 (mod (+ c_~S~0 4294967287) 4294967296)))) (and (or (and (= c_~S~0 (+ c_~s~0 10)) (= c_~m~0 11) .cse7) (and (not .cse7) (= c_~m~0 10) (= c_~S~0 (+ c_~s~0 9)))) (or .cse6 .cse7) (< 0 (mod (+ 4294967292 c_~S~0) 4294967296)) (< 0 (mod (+ c_~S~0 4294967291) 4294967296)) (< 0 (mod (+ c_~S~0 4294967289) 4294967296)) (< 0 (mod (+ 4294967288 c_~S~0) 4294967296)) (< 0 (mod (+ 4294967290 c_~S~0) 4294967296)) (< 0 (mod (+ c_~S~0 4294967295) 4294967296)) (< 0 (mod (+ c_~S~0 4294967294) 4294967296)) (< 0 (mod (+ c_~S~0 4294967293) 4294967296)))))) (let ((.cse9 (div c_~t~0 4294967296)) (.cse8 (div c_~s~0 4294967296))) (let ((.cse12 (* .cse8 4294967296)) (.cse11 (* .cse9 4294967296))) (or (and (<= (+ .cse8 .cse9 1) .cse10) (<= c_~m~0 10) (<= .cse5 (+ c_~s~0 .cse11 10))) (<= (+ 4294967287 .cse12) c_~s~0) (and (or (<= (+ c_~S~0 c_~T~0 4294967285 .cse13 .cse12) (+ c_~s~0 .cse14)) (and (or .cse0 (<= .cse5 (+ c_~s~0 c_~m~0 .cse11))) (<= (+ .cse8 .cse9 .cse15) .cse10) .cse2)) .cse1 .cse3))))))))) is different from false [2022-11-16 01:54:54,826 WARN L233 SmtUtils]: Spent 42.04s on a formula simplification that was a NOOP. DAG size: 357 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 01:56:01,818 WARN L233 SmtUtils]: Spent 29.66s on a formula simplification that was a NOOP. DAG size: 354 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)