./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba --- 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-8393723 [2022-11-18 01:51:20,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:51:20,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:51:20,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:51:20,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:51:20,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:51:20,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:51:20,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:51:20,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:51:20,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:51:20,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:51:20,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:51:20,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:51:20,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:51:20,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:51:20,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:51:20,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:51:20,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:51:20,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:51:20,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:51:20,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:51:20,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:51:20,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:51:20,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:51:20,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:51:20,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:51:20,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:51:20,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:51:20,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:51:20,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:51:20,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:51:20,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:51:20,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:51:20,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:51:20,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:51:20,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:51:20,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:51:20,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:51:20,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:51:20,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:51:20,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:51:20,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-18 01:51:20,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:51:20,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:51:20,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:51:20,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:51:20,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:51:20,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:51:20,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:51:20,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:51:20,873 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:51:20,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:51:20,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 01:51:20,875 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 01:51:20,876 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 01:51:20,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:51:20,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 01:51:20,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:51:20,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:51:20,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:51:20,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:51:20,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:51:20,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:20,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:51:20,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:51:20,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:51:20,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:51:20,879 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:51:20,880 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:51:20,880 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:51:20,880 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:51:20,880 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:51:20,880 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_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba [2022-11-18 01:51:21,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:51:21,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:51:21,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:51:21,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:51:21,255 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:51:21,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2022-11-18 01:51:21,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/data/dc3b5908e/ce21ed75e6614756861085764239944f/FLAG6e2f34036 [2022-11-18 01:51:21,918 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:51:21,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2022-11-18 01:51:21,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/data/dc3b5908e/ce21ed75e6614756861085764239944f/FLAG6e2f34036 [2022-11-18 01:51:22,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/data/dc3b5908e/ce21ed75e6614756861085764239944f [2022-11-18 01:51:22,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:51:22,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:51:22,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:22,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:51:22,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:51:22,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:22,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d44a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22, skipping insertion in model container [2022-11-18 01:51:22,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:22,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:51:22,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:51:22,756 WARN L234 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_9a3e731a-af3e-4b76-b482-01016c28e840/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2022-11-18 01:51:22,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:22,817 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:51:22,875 WARN L234 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_9a3e731a-af3e-4b76-b482-01016c28e840/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2022-11-18 01:51:22,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:22,939 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:51:22,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22 WrapperNode [2022-11-18 01:51:22,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:22,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:22,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:51:22,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:51:22,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:22,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:22,991 INFO L138 Inliner]: procedures = 271, calls = 31, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 193 [2022-11-18 01:51:22,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:22,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:51:22,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:51:22,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:51:23,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,058 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:51:23,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:51:23,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:51:23,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:51:23,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (1/1) ... [2022-11-18 01:51:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:23,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:23,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:23,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:51:23,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:51:23,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:51:23,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:51:23,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:51:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:51:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:51:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 01:51:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 01:51:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:51:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:51:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:51:23,154 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:51:23,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:51:23,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:51:23,758 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:51:23,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:51:23,768 INFO L300 CfgBuilder]: Removed 25 assume(true) statements. [2022-11-18 01:51:23,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:23 BoogieIcfgContainer [2022-11-18 01:51:23,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:51:23,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:51:23,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:51:23,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:51:23,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:51:22" (1/3) ... [2022-11-18 01:51:23,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d23e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:23, skipping insertion in model container [2022-11-18 01:51:23,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:22" (2/3) ... [2022-11-18 01:51:23,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83d23e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:23, skipping insertion in model container [2022-11-18 01:51:23,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:23" (3/3) ... [2022-11-18 01:51:23,780 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2022-11-18 01:51:23,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:51:23,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-18 01:51:23,800 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:51:23,884 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 01:51:23,962 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:51:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:23,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:51:24,011 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:51:24,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-18 01:51:24,031 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6564a1de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:24,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-11-18 01:51:24,526 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:24,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:24,536 INFO L85 PathProgramCache]: Analyzing trace with hash -706644334, now seen corresponding path program 1 times [2022-11-18 01:51:24,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:24,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327417112] [2022-11-18 01:51:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:24,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327417112] [2022-11-18 01:51:24,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327417112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:24,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:24,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:51:24,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157519338] [2022-11-18 01:51:24,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:24,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:51:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:24,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:51:24,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:51:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:24,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:24,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:24,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:24,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:51:24,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:24,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:24,866 INFO L85 PathProgramCache]: Analyzing trace with hash -376878573, now seen corresponding path program 1 times [2022-11-18 01:51:24,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:24,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933030790] [2022-11-18 01:51:24,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:24,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:25,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:25,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933030790] [2022-11-18 01:51:25,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933030790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:25,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:25,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:51:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748359477] [2022-11-18 01:51:25,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:25,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:25,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:25,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:25,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:51:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:25,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:25,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:51:25,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:25,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:25,281 INFO L85 PathProgramCache]: Analyzing trace with hash -874554502, now seen corresponding path program 1 times [2022-11-18 01:51:25,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:25,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637262746] [2022-11-18 01:51:25,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:25,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:25,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:25,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637262746] [2022-11-18 01:51:25,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637262746] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:25,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791917745] [2022-11-18 01:51:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:25,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:25,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:25,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:25,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:51:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:25,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 01:51:25,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:51:25,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:25,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791917745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:25,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:25,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 01:51:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319243894] [2022-11-18 01:51:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:25,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:25,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:25,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:25,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 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) [2022-11-18 01:51:25,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:25,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:25,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:26,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:26,082 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:26,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:26,083 INFO L85 PathProgramCache]: Analyzing trace with hash -874554501, now seen corresponding path program 1 times [2022-11-18 01:51:26,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:26,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607270500] [2022-11-18 01:51:26,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:26,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:26,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607270500] [2022-11-18 01:51:26,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607270500] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:26,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180716111] [2022-11-18 01:51:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:26,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:26,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:26,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:51:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:26,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 01:51:26,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:51:26,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:26,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180716111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:26,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:26,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 01:51:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927345260] [2022-11-18 01:51:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:26,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:26,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:26,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:26,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 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) [2022-11-18 01:51:26,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:26,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:26,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:26,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:26,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1833424965, now seen corresponding path program 1 times [2022-11-18 01:51:26,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:26,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83213661] [2022-11-18 01:51:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 01:51:26,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:26,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83213661] [2022-11-18 01:51:26,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83213661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:26,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485287434] [2022-11-18 01:51:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:26,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:26,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:26,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:51:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:27,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 01:51:27,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:51:27,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:27,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485287434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:27,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:27,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-18 01:51:27,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953480050] [2022-11-18 01:51:27,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:27,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:27,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:27,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:27,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:27,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-11-18 01:51:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:27,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:27,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:27,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1918060010, now seen corresponding path program 1 times [2022-11-18 01:51:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:27,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81275865] [2022-11-18 01:51:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 01:51:27,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:27,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81275865] [2022-11-18 01:51:27,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81275865] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:27,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089874097] [2022-11-18 01:51:27,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:27,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:27,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:27,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:27,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:51:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:27,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 01:51:27,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 01:51:27,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:27,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089874097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:27,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:27,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-18 01:51:27,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747131579] [2022-11-18 01:51:27,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:27,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:27,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:27,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:27,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:27,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:27,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:27,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:28,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 01:51:28,154 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:28,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:28,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1646229202, now seen corresponding path program 1 times [2022-11-18 01:51:28,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:28,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887854843] [2022-11-18 01:51:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:28,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:28,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:28,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887854843] [2022-11-18 01:51:28,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887854843] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:28,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438857573] [2022-11-18 01:51:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:28,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:28,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:51:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:28,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 01:51:28,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:28,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:28,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438857573] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:28,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:28,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 01:51:28,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821931652] [2022-11-18 01:51:28,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:28,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 01:51:28,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:28,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 01:51:28,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 01:51:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:28,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 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) [2022-11-18 01:51:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:28,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:28,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:28,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1251673906, now seen corresponding path program 2 times [2022-11-18 01:51:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:28,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166499937] [2022-11-18 01:51:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:29,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:29,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166499937] [2022-11-18 01:51:29,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166499937] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:29,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252781003] [2022-11-18 01:51:29,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:51:29,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:29,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:29,010 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:29,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:51:29,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 01:51:29,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:29,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:51:29,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:29,349 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:51:29,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 01:51:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-18 01:51:29,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:29,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252781003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:29,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:29,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-11-18 01:51:29,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690942695] [2022-11-18 01:51:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:29,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:51:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:29,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:51:29,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-18 01:51:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:29,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:29,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-18 01:51:29,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 01:51:29,931 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:29,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:29,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1251673907, now seen corresponding path program 1 times [2022-11-18 01:51:29,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:29,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102822017] [2022-11-18 01:51:29,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:30,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:30,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102822017] [2022-11-18 01:51:30,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102822017] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:30,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325248771] [2022-11-18 01:51:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:30,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:30,119 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:30,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 01:51:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:30,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:51:30,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:30,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:30,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325248771] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:30,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:30,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-18 01:51:30,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787377508] [2022-11-18 01:51:30,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:30,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 01:51:30,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:30,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 01:51:30,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-18 01:51:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:30,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:30,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 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) [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:30,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:30,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:30,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:30,951 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:30,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash 806698995, now seen corresponding path program 2 times [2022-11-18 01:51:30,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:30,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351829168] [2022-11-18 01:51:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:31,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:31,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351829168] [2022-11-18 01:51:31,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351829168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:31,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326263949] [2022-11-18 01:51:31,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:51:31,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:31,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:31,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 01:51:31,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 01:51:31,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:31,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 01:51:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:31,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 01:51:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-18 01:51:32,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:51:32,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326263949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:32,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:51:32,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2022-11-18 01:51:32,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091231620] [2022-11-18 01:51:32,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:32,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 01:51:32,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:32,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 01:51:32,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:51:32,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:32,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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) [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:32,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:32,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:32,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:32,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:32,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 01:51:32,824 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:32,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:32,824 INFO L85 PathProgramCache]: Analyzing trace with hash -461613614, now seen corresponding path program 1 times [2022-11-18 01:51:32,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:32,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614030303] [2022-11-18 01:51:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 01:51:33,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:33,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614030303] [2022-11-18 01:51:33,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614030303] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:33,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922661211] [2022-11-18 01:51:33,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:33,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:33,292 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:33,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 01:51:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:33,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 01:51:33,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 01:51:33,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 01:51:33,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922661211] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:33,765 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:33,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-18 01:51:33,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118371513] [2022-11-18 01:51:33,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:33,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 01:51:33,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:33,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 01:51:33,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:51:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:33,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.434782608695652) internal successors, (125), 23 states have internal predecessors, (125), 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) [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:34,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-18 01:51:34,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:34,409 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1739898457, now seen corresponding path program 2 times [2022-11-18 01:51:34,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:34,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270778663] [2022-11-18 01:51:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:34,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:51:35,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:35,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270778663] [2022-11-18 01:51:35,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270778663] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:35,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629294064] [2022-11-18 01:51:35,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:51:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:35,511 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:35,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 01:51:35,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 01:51:35,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:35,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-18 01:51:35,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:36,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 01:51:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:51:36,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:40,410 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:51:40,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2022-11-18 01:51:40,432 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:51:40,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2022-11-18 01:51:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:51:40,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629294064] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:40,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:40,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 28 [2022-11-18 01:51:40,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677102923] [2022-11-18 01:51:40,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:40,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 01:51:40,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:40,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 01:51:40,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=666, Unknown=0, NotChecked=0, Total=812 [2022-11-18 01:51:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:40,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:40,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 9.142857142857142) internal successors, (256), 29 states have internal predecessors, (256), 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) [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:51:42,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:42,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:42,995 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:42,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:42,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1878896791, now seen corresponding path program 3 times [2022-11-18 01:51:42,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:42,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630462940] [2022-11-18 01:51:42,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:51:44,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:44,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630462940] [2022-11-18 01:51:44,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630462940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:51:44,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513777963] [2022-11-18 01:51:44,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 01:51:44,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:44,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:44,904 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:51:44,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 01:51:45,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 01:51:45,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:51:45,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 01:51:45,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:51:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:45,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 01:51:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-18 01:51:47,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:51:49,063 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:51:49,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2022-11-18 01:51:49,075 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 01:51:49,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-18 01:51:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-18 01:51:49,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513777963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:51:49,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:51:49,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 41 [2022-11-18 01:51:49,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146124755] [2022-11-18 01:51:49,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:51:49,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-18 01:51:49,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-18 01:51:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 01:51:49,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:49,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:49,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 9.682926829268293) internal successors, (397), 42 states have internal predecessors, (397), 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) [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:49,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:49,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:51:49,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:51:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:51:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 01:51:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-18 01:51:53,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:53,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:51:53,728 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr10ASSERT_VIOLATIONMEMORY_LEAK === [t_funErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-18 01:51:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash -541143566, now seen corresponding path program 1 times [2022-11-18 01:51:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:53,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729902355] [2022-11-18 01:51:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:53:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:53:43,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:53:43,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729902355] [2022-11-18 01:53:43,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729902355] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:53:43,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323533089] [2022-11-18 01:53:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:53:43,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:53:43,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:53:43,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:53:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3e731a-af3e-4b76-b482-01016c28e840/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 01:53:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:53:43,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-18 01:53:43,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:53:44,047 INFO L350 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 7 treesize of output 6 [2022-11-18 01:53:44,539 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 01:53:44,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 01:53:44,630 INFO L350 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 13 treesize of output 15 [2022-11-18 01:53:45,017 INFO L350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2022-11-18 01:53:45,233 INFO L350 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 16 [2022-11-18 01:53:59,034 INFO L350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2022-11-18 01:54:03,164 INFO L350 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 24 treesize of output 19 [2022-11-18 01:54:54,620 INFO L350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2022-11-18 01:55:03,043 INFO L350 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 27 treesize of output 22 [2022-11-18 01:56:16,568 INFO L350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-11-18 01:56:31,139 INFO L350 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 30 treesize of output 25 [2022-11-18 01:57:58,644 INFO L350 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 26 treesize of output 22 [2022-11-18 01:57:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-18 01:57:58,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:58:05,190 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int)) (or (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ 28 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))))) is different from false [2022-11-18 01:58:07,203 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))) is different from false [2022-11-18 01:58:09,263 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_860)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))) is different from false [2022-11-18 01:58:11,414 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) is different from false [2022-11-18 01:58:13,441 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse0 28 |c_~#cache~0.offset|)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|)))) is different from false [2022-11-18 02:00:05,382 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse0 28 |c_~#cache~0.offset|))))) is different from false [2022-11-18 02:00:06,612 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_855)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse0 28 |c_~#cache~0.offset|))))) is different from false [2022-11-18 02:00:08,995 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse0 28 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0)))) is different from false [2022-11-18 02:00:11,047 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse0 28 |c_~#cache~0.offset|))))) is different from false [2022-11-18 02:00:13,159 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_#t~post41#1| 2)))))) is different from false [2022-11-18 02:00:15,189 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (= (select (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)))))) is different from false [2022-11-18 02:00:17,367 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (= (select (store (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_852)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)))))) is different from false [2022-11-18 02:00:19,411 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (= (select (store (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))))) is different from false [2022-11-18 02:00:21,484 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (< (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))))) is different from false [2022-11-18 02:00:23,631 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ |c_t_funThread1of1ForFork0_#t~post41#1| 3)) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))))) is different from false [2022-11-18 02:00:25,673 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))))) is different from false [2022-11-18 02:00:27,322 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (v_ArrVal_847 Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (= (select (store (store (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_847)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0))))) is different from false [2022-11-18 02:00:30,169 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_~i~0#1_38| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int) (v_ArrVal_847 Int) (v_ArrVal_855 Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_38| 28))) (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (or (< .cse0 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) (< .cse0 (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)) (< |v_t_funThread1of1ForFork0_~i~0#1_38| (+ 3 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (store (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_847)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< .cse0 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 28)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ .cse1 28 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))))) is different from false [2022-11-18 02:00:38,611 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| Int) (v_ArrVal_844 (Array Int Int)) (v_ArrVal_860 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int) (v_ArrVal_847 Int) (v_ArrVal_855 Int)) (or (= (select (store (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_844) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_847) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_852) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_855) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| v_ArrVal_860) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| 84)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ 112 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_60| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| 28)))) is different from false [2022-11-18 02:00:41,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 02:00:41,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 02:00:41,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 02:00:41,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 02:00:41,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 02:00:41,883 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 02:00:41,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-18 02:00:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 249 not checked. [2022-11-18 02:00:41,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323533089] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 02:00:41,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 02:00:41,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 32] total 95 [2022-11-18 02:00:41,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119600506] [2022-11-18 02:00:41,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 02:00:41,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-11-18 02:00:41,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 02:00:41,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-11-18 02:00:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=5088, Unknown=188, NotChecked=3154, Total=8930 [2022-11-18 02:00:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 02:00:41,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 02:00:41,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 6.094736842105263) internal successors, (579), 95 states have internal predecessors, (579), 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) [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 02:00:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-18 02:00:41,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 02:05:07,172 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 97 DAG size of output: 45 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 02:06:06,405 WARN L233 SmtUtils]: Spent 16.39s on a formula simplification. DAG size of input: 76 DAG size of output: 59 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)