./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:39,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:39,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:39,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:39,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:39,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:39,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:39,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:39,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:39,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:39,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:40,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:40,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:40,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:40,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:40,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:40,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:40,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:40,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:40,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:40,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:40,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:40,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:40,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:40,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:40,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:40,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:40,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:40,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:40,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:40,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:40,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:40,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:40,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:40,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:40,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:40,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:40,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:40,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:40,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:40,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:40,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:03:40,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:40,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:40,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:40,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:40,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:40,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:40,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:40,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:40,092 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:40,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:40,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:40,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:03:40,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:40,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:40,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:40,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:40,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:40,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:40,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:40,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:40,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:40,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:40,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:40,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:03:40,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:40,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:40,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:40,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:40,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:40,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:03:40,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:03:40,098 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:40,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:40,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:40,099 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:40,099 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:40,099 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_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-22 23:03:40,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:40,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:40,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:40,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:40,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:40,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-22 23:03:40,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/data/630e6b099/458632ea2a50451ab382f0f9b4721862/FLAGc82871abb [2021-11-22 23:03:41,102 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:41,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/sv-benchmarks/c/pthread/stack-1.i [2021-11-22 23:03:41,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/data/630e6b099/458632ea2a50451ab382f0f9b4721862/FLAGc82871abb [2021-11-22 23:03:41,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/data/630e6b099/458632ea2a50451ab382f0f9b4721862 [2021-11-22 23:03:41,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:41,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:41,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:41,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:41,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:41,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:41" (1/1) ... [2021-11-22 23:03:41,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d435164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:41, skipping insertion in model container [2021-11-22 23:03:41,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:41" (1/1) ... [2021-11-22 23:03:41,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:41,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:41,911 WARN L230 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_6228cdac-c225-4878-a670-b38de12e9415/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-22 23:03:41,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:41,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:03:41,982 WARN L230 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_6228cdac-c225-4878-a670-b38de12e9415/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-22 23:03:41,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:42,058 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:03:42,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42 WrapperNode [2021-11-22 23:03:42,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:42,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:42,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:03:42,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:03:42,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,111 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 154 [2021-11-22 23:03:42,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:42,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:03:42,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:03:42,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:03:42,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:03:42,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:03:42,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:03:42,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:03:42,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (1/1) ... [2021-11-22 23:03:42,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:42,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:42,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:03:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-22 23:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-22 23:03:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-22 23:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:03:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:03:42,237 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:03:42,367 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:03:42,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:03:42,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:03:42,733 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:03:42,734 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:03:42,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:42 BoogieIcfgContainer [2021-11-22 23:03:42,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:03:42,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:03:42,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:03:42,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:03:42,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:03:41" (1/3) ... [2021-11-22 23:03:42,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e22a9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:42, skipping insertion in model container [2021-11-22 23:03:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:42" (2/3) ... [2021-11-22 23:03:42,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e22a9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:42, skipping insertion in model container [2021-11-22 23:03:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:42" (3/3) ... [2021-11-22 23:03:42,758 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2021-11-22 23:03:42,763 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 23:03:42,763 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:03:42,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-22 23:03:42,763 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 23:03:42,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,833 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,834 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,835 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,836 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,836 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,837 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,837 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,837 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,837 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,838 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,838 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,839 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,839 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,839 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,840 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,840 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,840 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,843 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,843 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,843 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,844 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,844 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,844 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,845 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,846 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,846 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,846 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,846 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,847 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,847 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,847 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,847 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,847 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,848 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,848 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,848 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,849 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,850 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,851 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,851 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,852 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,852 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,852 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,852 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,853 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,853 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,853 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,854 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,854 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,856 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,860 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,860 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,860 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,861 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,882 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,882 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,882 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,882 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,885 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,885 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,886 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,886 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,886 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,887 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,887 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,887 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,888 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,888 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,888 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,888 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,888 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,890 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,890 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,890 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,890 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,890 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,891 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,891 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,891 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,891 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,891 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,892 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,893 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,894 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,895 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,895 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,895 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,896 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,897 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,897 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,897 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,897 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,898 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,899 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,900 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,903 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,903 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,903 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,904 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,906 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,907 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,908 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,915 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,915 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,915 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,916 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,917 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,917 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,917 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,917 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,917 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,918 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,918 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,918 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,918 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,918 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,922 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,922 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,922 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,922 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,922 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,923 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,923 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,923 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,923 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,924 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,924 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,924 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,924 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,924 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,925 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,926 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,926 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,931 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,931 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,931 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,931 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:42,939 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-22 23:03:42,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:03:42,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:43,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:43,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-22 23:03:43,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2021-11-22 23:03:43,061 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 23:03:43,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 23:03:43,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:43,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash -183500311, now seen corresponding path program 1 times [2021-11-22 23:03:43,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:43,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47010831] [2021-11-22 23:03:43,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:43,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:43,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:43,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47010831] [2021-11-22 23:03:43,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47010831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:43,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:43,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:03:43,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342043430] [2021-11-22 23:03:43,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:43,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 23:03:43,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 23:03:43,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 23:03:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:43,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2021-11-22 23:03:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:03:43,708 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:43,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:43,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1412236487, now seen corresponding path program 1 times [2021-11-22 23:03:43,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:43,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720001361] [2021-11-22 23:03:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:43,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720001361] [2021-11-22 23:03:43,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720001361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:43,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:43,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:43,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310541095] [2021-11-22 23:03:43,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:43,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:43,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:43,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:43,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:43,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-22 23:03:43,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:43,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:03:43,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:43,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:43,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2060462298, now seen corresponding path program 1 times [2021-11-22 23:03:43,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:43,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693599315] [2021-11-22 23:03:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:43,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:44,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:44,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693599315] [2021-11-22 23:03:44,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693599315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:44,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:44,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 23:03:44,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038753489] [2021-11-22 23:03:44,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:44,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 23:03:44,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:44,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 23:03:44,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 23:03:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:44,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:44,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-11-22 23:03:44,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:44,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:44,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:44,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 23:03:44,211 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:44,212 INFO L85 PathProgramCache]: Analyzing trace with hash 172146190, now seen corresponding path program 1 times [2021-11-22 23:03:44,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:44,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075269173] [2021-11-22 23:03:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:44,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:44,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:44,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075269173] [2021-11-22 23:03:44,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075269173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:44,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121814407] [2021-11-22 23:03:44,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:44,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:44,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:44,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:44,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 23:03:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:44,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:03:44,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:45,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:45,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121814407] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:45,288 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:45,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-22 23:03:45,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424265433] [2021-11-22 23:03:45,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:45,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 23:03:45,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 23:03:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:03:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:45,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:45,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.2) internal successors, (262), 10 states have internal predecessors, (262), 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) [2021-11-22 23:03:45,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:45,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:45,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:45,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:45,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:45,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:45,612 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:45,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:45,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1324549368, now seen corresponding path program 2 times [2021-11-22 23:03:45,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:45,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480664737] [2021-11-22 23:03:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:45,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:45,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480664737] [2021-11-22 23:03:45,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480664737] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:45,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248932461] [2021-11-22 23:03:45,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:03:45,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:45,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:45,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:45,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 23:03:46,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:03:46,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:03:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:03:46,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:46,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:46,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248932461] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:46,855 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:46,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-22 23:03:46,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162060575] [2021-11-22 23:03:46,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:46,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 23:03:46,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:46,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 23:03:46,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-22 23:03:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:46,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 13 states have internal predecessors, (329), 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) [2021-11-22 23:03:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:03:47,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-22 23:03:47,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:47,224 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:47,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:47,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1615830302, now seen corresponding path program 3 times [2021-11-22 23:03:47,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:47,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326095708] [2021-11-22 23:03:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:47,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 365 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:47,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:47,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326095708] [2021-11-22 23:03:47,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326095708] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:47,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28683630] [2021-11-22 23:03:47,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:03:47,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:47,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:47,536 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:47,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 23:03:47,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-22 23:03:47,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:03:47,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:03:47,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:48,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:03:48,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28683630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:48,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:03:48,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-11-22 23:03:48,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705244823] [2021-11-22 23:03:48,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:48,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 23:03:48,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:48,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 23:03:48,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-22 23:03:48,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:48,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:48,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.384615384615383) internal successors, (278), 13 states have internal predecessors, (278), 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) [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:03:48,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:03:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:49,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:49,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 23:03:49,362 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:49,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:49,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1209168785, now seen corresponding path program 1 times [2021-11-22 23:03:49,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:49,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728678017] [2021-11-22 23:03:49,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:49,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-11-22 23:03:49,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:49,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728678017] [2021-11-22 23:03:49,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728678017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:49,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:49,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:49,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980219745] [2021-11-22 23:03:49,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:49,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:49,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:49,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:49,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-11-22 23:03:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:03:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:49,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 23:03:49,560 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash 679691112, now seen corresponding path program 1 times [2021-11-22 23:03:49,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:49,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774191567] [2021-11-22 23:03:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:49,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:03:49,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774191567] [2021-11-22 23:03:49,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774191567] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914182221] [2021-11-22 23:03:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:49,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:49,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:49,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 23:03:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:49,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:03:49,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:03:50,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:03:51,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914182221] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:51,152 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:51,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 17 [2021-11-22 23:03:51,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262849390] [2021-11-22 23:03:51,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:51,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 23:03:51,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 23:03:51,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2021-11-22 23:03:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:51,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 26.058823529411764) internal successors, (443), 17 states have internal predecessors, (443), 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) [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 23:03:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 23:03:52,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:52,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-22 23:03:52,296 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:52,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:52,297 INFO L85 PathProgramCache]: Analyzing trace with hash 629024488, now seen corresponding path program 2 times [2021-11-22 23:03:52,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:52,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337960338] [2021-11-22 23:03:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:52,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:03:52,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:52,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337960338] [2021-11-22 23:03:52,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337960338] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:52,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667265520] [2021-11-22 23:03:52,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:03:52,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:52,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:52,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:52,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 23:03:52,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:03:52,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:03:52,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:03:52,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:03:53,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:03:53,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667265520] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:53,919 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:53,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2021-11-22 23:03:53,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099409758] [2021-11-22 23:03:53,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:53,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 23:03:53,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:53,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 23:03:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-22 23:03:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:53,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:53,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 27.8) internal successors, (417), 15 states have internal predecessors, (417), 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) [2021-11-22 23:03:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-22 23:03:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-22 23:03:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-22 23:03:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-22 23:03:55,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 23:03:55,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-22 23:03:55,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:55,273 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2021-11-22 23:03:55,274 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-11-22 23:03:55,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:03:55,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:55,277 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:55,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-11-22 23:03:55,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-22 23:03:55,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 23:03:55,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 23:03:55,408 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-22 23:03:55,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 2 remaining) [2021-11-22 23:03:55,413 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-22 23:03:55,413 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-11-22 23:03:55,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:03:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:55,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:55,425 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2021-11-22 23:03:55,426 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 23:03:55,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 23:03:55,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2021-11-22 23:03:55,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:55,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:55,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2108905985, now seen corresponding path program 1 times [2021-11-22 23:03:55,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:55,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567651684] [2021-11-22 23:03:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:55,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:55,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567651684] [2021-11-22 23:03:55,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567651684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:55,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:55,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:03:55,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100143757] [2021-11-22 23:03:55,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:55,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 23:03:55,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:55,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 23:03:55,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 23:03:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:55,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:03:55,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 23:03:55,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:55,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2139925792, now seen corresponding path program 1 times [2021-11-22 23:03:55,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:55,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562208584] [2021-11-22 23:03:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:55,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:55,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562208584] [2021-11-22 23:03:55,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562208584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:55,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:55,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:55,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630106984] [2021-11-22 23:03:55,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:55,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:55,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:55,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,575 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:55,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:03:55,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 23:03:55,634 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:55,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:55,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1130573885, now seen corresponding path program 1 times [2021-11-22 23:03:55,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:55,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197038701] [2021-11-22 23:03:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:55,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:55,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197038701] [2021-11-22 23:03:55,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197038701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:55,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:55,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:55,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125502566] [2021-11-22 23:03:55,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:55,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:55,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:55,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:55,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:55,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-22 23:03:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 23:03:55,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2132464796, now seen corresponding path program 1 times [2021-11-22 23:03:55,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:55,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946311835] [2021-11-22 23:03:55,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:55,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:55,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946311835] [2021-11-22 23:03:55,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946311835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:55,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:55,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:55,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180365124] [2021-11-22 23:03:55,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:55,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:55,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:55,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:55,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:55,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,828 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:55,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2021-11-22 23:03:55,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:55,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 23:03:55,861 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:55,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1838654741, now seen corresponding path program 1 times [2021-11-22 23:03:55,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:55,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593077162] [2021-11-22 23:03:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:55,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:55,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593077162] [2021-11-22 23:03:55,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593077162] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:55,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2951952] [2021-11-22 23:03:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:55,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:55,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:55,925 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:55,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 23:03:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:56,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 23:03:56,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:03:56,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:03:56,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2951952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:56,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:03:56,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-22 23:03:56,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352387144] [2021-11-22 23:03:56,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:56,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:56,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:03:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:56,156 INFO L471 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) [2021-11-22 23:03:56,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:56,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-22 23:03:56,400 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:56,401 INFO L85 PathProgramCache]: Analyzing trace with hash -276469858, now seen corresponding path program 1 times [2021-11-22 23:03:56,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:56,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461422805] [2021-11-22 23:03:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:56,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461422805] [2021-11-22 23:03:56,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461422805] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186970662] [2021-11-22 23:03:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:56,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:56,454 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-22 23:03:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:56,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:03:56,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:56,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:56,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186970662] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:56,965 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:56,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-22 23:03:56,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407885912] [2021-11-22 23:03:56,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:56,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 23:03:56,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:56,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 23:03:56,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:03:56,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:56,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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) [2021-11-22 23:03:56,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:57,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:57,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 23:03:57,272 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:57,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:57,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1504840354, now seen corresponding path program 1 times [2021-11-22 23:03:57,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:57,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220529724] [2021-11-22 23:03:57,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:57,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:03:57,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:57,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220529724] [2021-11-22 23:03:57,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220529724] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:57,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677459127] [2021-11-22 23:03:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:57,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:57,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-22 23:03:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:57,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:03:57,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:03:57,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:03:58,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677459127] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:58,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:58,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-22 23:03:58,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541021374] [2021-11-22 23:03:58,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:58,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 23:03:58,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:58,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 23:03:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:03:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:58,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:58,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.7) internal successors, (337), 10 states have internal predecessors, (337), 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) [2021-11-22 23:03:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:58,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:58,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-22 23:03:58,488 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:58,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:58,489 INFO L85 PathProgramCache]: Analyzing trace with hash 88857460, now seen corresponding path program 2 times [2021-11-22 23:03:58,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:58,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106026030] [2021-11-22 23:03:58,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:58,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:58,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:58,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106026030] [2021-11-22 23:03:58,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106026030] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:58,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701982305] [2021-11-22 23:03:58,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:03:58,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:58,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:58,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:58,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-22 23:03:58,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:03:58,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:03:58,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:03:58,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:59,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:59,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701982305] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:59,617 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:59,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-22 23:03:59,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462124189] [2021-11-22 23:03:59,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:59,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 23:03:59,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:59,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 23:03:59,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-22 23:03:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:59,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:59,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.923076923076923) internal successors, (298), 13 states have internal predecessors, (298), 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) [2021-11-22 23:03:59,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:59,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:03:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:03:59,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:59,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 23:03:59,964 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:03:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2072498612, now seen corresponding path program 2 times [2021-11-22 23:03:59,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:59,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759139673] [2021-11-22 23:03:59,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:59,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:04:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:04:00,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:04:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759139673] [2021-11-22 23:04:00,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759139673] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:04:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700431591] [2021-11-22 23:04:00,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:04:00,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:00,096 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:04:00,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-22 23:04:00,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:04:00,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:04:00,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:04:00,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:04:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:04:00,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:04:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:04:01,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700431591] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:04:01,367 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:04:01,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-22 23:04:01,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685656179] [2021-11-22 23:04:01,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:04:01,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 23:04:01,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:04:01,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 23:04:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-22 23:04:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:01,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:04:01,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 31.076923076923077) internal successors, (404), 13 states have internal predecessors, (404), 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) [2021-11-22 23:04:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:01,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:04:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:04:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:04:01,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-22 23:04:01,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:01,752 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:04:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:04:01,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1088837706, now seen corresponding path program 3 times [2021-11-22 23:04:01,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:04:01,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522720851] [2021-11-22 23:04:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:04:01,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:04:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:04:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:04:03,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:04:03,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522720851] [2021-11-22 23:04:03,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522720851] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:04:03,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545658827] [2021-11-22 23:04:03,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:04:03,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:03,109 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:04:03,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-22 23:04:03,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 23:04:03,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:04:03,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:04:03,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:04:04,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 60 [2021-11-22 23:04:06,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 23 [2021-11-22 23:04:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-22 23:04:06,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:04:06,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545658827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:04:06,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:04:06,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [32] total 52 [2021-11-22 23:04:06,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997263171] [2021-11-22 23:04:06,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:04:06,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-22 23:04:06,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:04:06,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-22 23:04:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2524, Unknown=0, NotChecked=0, Total=2652 [2021-11-22 23:04:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:06,344 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:04:06,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.130434782608695) internal successors, (164), 23 states have internal predecessors, (164), 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) [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:06,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:04:06,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:04:06,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:04:06,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:04:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:04:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:04:13,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-22 23:04:13,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-22 23:04:13,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:13,701 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:04:13,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:04:13,702 INFO L85 PathProgramCache]: Analyzing trace with hash 847559053, now seen corresponding path program 1 times [2021-11-22 23:04:13,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:04:13,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980867072] [2021-11-22 23:04:13,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:04:13,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:04:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:04:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:04:15,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:04:15,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980867072] [2021-11-22 23:04:15,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980867072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:04:15,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94149489] [2021-11-22 23:04:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:04:15,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:15,249 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:04:15,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-22 23:04:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:04:15,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-22 23:04:15,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:04:16,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 60 [2021-11-22 23:04:17,927 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:04:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:04:19,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 23 [2021-11-22 23:04:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 242 proven. 66 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-22 23:04:19,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:04:23,162 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_88| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))))) is different from false [2021-11-22 23:05:09,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 46 [2021-11-22 23:05:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 242 proven. 65 refuted. 0 times theorem prover too weak. 147 trivial. 1 not checked. [2021-11-22 23:05:11,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94149489] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:05:11,088 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:05:11,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 30, 29] total 91 [2021-11-22 23:05:11,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760367292] [2021-11-22 23:05:11,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:05:11,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2021-11-22 23:05:11,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:11,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-11-22 23:05:11,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=7698, Unknown=20, NotChecked=176, Total=8190 [2021-11-22 23:05:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:11,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:11,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 8.637362637362637) internal successors, (786), 91 states have internal predecessors, (786), 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) [2021-11-22 23:05:11,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:11,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:11,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:05:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-22 23:05:11,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:18,661 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4)))) (.cse1 (<= 5 .cse3)) (.cse0 (< .cse3 5))) (and (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_88| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))))) (<= 1 c_~top~0) .cse0 (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse1) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:05:24,560 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_88| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))))) (<= 0 .cse0) .cse1 (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 2 c_~top~0) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:05:30,183 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_88| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))))) (<= 0 .cse0) (<= c_~top~0 3) .cse1 (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 3) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 3 |c_t1Thread1of1ForFork0_get_top_#res#1|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_t1Thread1of1ForFork0_~tmp~0#1| (+ (* 4294967296 (div |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:05:35,956 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse8 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse9 (+ |c_~#arr~0.offset| 12)) (.cse11 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse12 (* c_~top~0 4))) (let ((.cse5 (select .cse11 (+ |c_~#arr~0.offset| .cse12 (- 4)))) (.cse1 (select .cse11 (+ |c_~#arr~0.offset| .cse12 (- 8)))) (.cse6 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse9)) (.cse0 (select (store .cse8 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse9)) (.cse4 (+ |c_~#arr~0.offset| 16)) (.cse3 (<= 5 .cse10)) (.cse2 (< .cse10 5)) (.cse7 (select .cse8 .cse9))) (and (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_88| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))))) (<= .cse0 4) (<= 0 .cse1) .cse2 (or (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= .cse4 (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse5 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 0 .cse6) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse5) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (<= .cse6 4) (<= 4 c_~top~0) (<= .cse7 4) (<= 0 .cse0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= .cse4 (* 4 c_~top~0)) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1))) (<= 0 .cse7)))) is different from false [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:05:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:05:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:05:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-22 23:05:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-11-22 23:05:47,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:47,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:47,524 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:05:47,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:47,525 INFO L85 PathProgramCache]: Analyzing trace with hash -854689430, now seen corresponding path program 2 times [2021-11-22 23:05:47,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:47,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402422531] [2021-11-22 23:05:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:47,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:05:49,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:49,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402422531] [2021-11-22 23:05:49,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402422531] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:49,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130629903] [2021-11-22 23:05:49,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:05:49,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:49,595 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:49,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-22 23:05:49,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:05:49,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:49,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-22 23:05:49,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:50,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 60 [2021-11-22 23:05:52,268 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:05:52,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:05:53,609 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:05:53,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:05:56,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 23 [2021-11-22 23:07:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 255 proven. 209 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:07:54,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:08:00,189 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-22 23:09:48,007 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))))) is different from false [2021-11-22 23:10:14,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) is different from false [2021-11-22 23:10:51,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 46 [2021-11-22 23:10:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 255 proven. 200 refuted. 0 times theorem prover too weak. 56 trivial. 9 not checked. [2021-11-22 23:10:53,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130629903] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:10:53,223 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:10:53,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 37, 36] total 111 [2021-11-22 23:10:53,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518425449] [2021-11-22 23:10:53,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:10:53,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2021-11-22 23:10:53,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:10:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-11-22 23:10:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=11100, Unknown=90, NotChecked=642, Total=12210 [2021-11-22 23:10:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:10:53,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:10:53,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 8.783783783783784) internal successors, (975), 111 states have internal predecessors, (975), 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) [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:10:53,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-11-22 23:10:53,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:11:03,289 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4)))) (.cse1 (<= 5 .cse3)) (.cse0 (< .cse3 5))) (and (<= 1 c_~top~0) .cse0 (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse1) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:11:05,007 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= 1 c_~top~0) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse0) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296))) is different from false [2021-11-22 23:11:07,886 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= 1 c_~top~0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (= 5 |c_~#arr~0.base|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))))) (<= 0 .cse0) (<= c_~top~0 1) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0))) is different from false [2021-11-22 23:11:15,636 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (<= 0 .cse0) .cse1 (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 2147483647) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 2 c_~top~0) (<= |c_t1Thread1of1ForFork0_push_~x#1| 2147483647) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_t1Thread1of1ForFork0_~tmp~0#1| (+ (* 4294967296 (div |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:11:17,506 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse3 (* c_~top~0 4))) (let ((.cse1 (select .cse2 (+ |c_~#arr~0.offset| .cse3 (- 4)))) (.cse0 (select .cse2 (+ |c_~#arr~0.offset| .cse3 (- 8))))) (and (<= 0 .cse0) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 2147483647) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (<= 2 c_~top~0) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296)))) is different from false [2021-11-22 23:11:20,866 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse3 (* c_~top~0 4))) (let ((.cse1 (select .cse2 (+ |c_~#arr~0.offset| .cse3 (- 4)))) (.cse0 (select .cse2 (+ |c_~#arr~0.offset| .cse3 (- 8))))) (and (<= 0 .cse0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 2147483647) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 2 c_~top~0) (<= |c_t1Thread1of1ForFork0_push_~x#1| 2147483647) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))))) (<= c_~top~0 2) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse0 4294967296) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 2) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= 2 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0)))) is different from false [2021-11-22 23:11:30,678 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse10 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse11 (* c_~top~0 4)) (.cse12 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse9 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse12 .cse9)) (.cse6 (select (store .cse12 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse9)) (.cse4 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 4)))) (.cse5 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 12)))) (.cse1 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 8)))) (.cse7 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse9)) (.cse3 (<= 5 .cse8)) (.cse2 (< .cse8 5))) (and (<= 0 .cse0) (<= 0 .cse1) (<= c_~top~0 3) .cse2 (<= .cse0 2147483647) (or (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse4 4294967296) (< .cse5 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= 0 .cse5) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse4 (- 4294967296)) (+ (div (+ (* .cse4 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 0 .cse6) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (<= .cse6 2147483647) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse4) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse7) (<= .cse7 2147483647) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:11:32,687 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 8)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |c_~#arr~0.offset| 8)))) (and (<= 0 .cse0) (<= c_~top~0 3) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse2) (<= .cse2 2147483647)))) is different from false [2021-11-22 23:11:36,141 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse5 (* c_~top~0 4)) (.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse7 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse6 .cse7)) (.cse3 (select (store .cse6 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse7)) (.cse2 (select .cse4 (+ |c_~#arr~0.offset| .cse5 (- 4)))) (.cse1 (select .cse4 (+ |c_~#arr~0.offset| .cse5 (- 8))))) (and (<= 0 .cse0) (<= 0 .cse1) (<= c_~top~0 3) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= .cse0 2147483647) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= (+ |c_~#arr~0.offset| 12) (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (<= 0 .cse3) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= .cse3 2147483647) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))))) (<= 0 .cse2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse1 4294967296) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0)))) is different from false [2021-11-22 23:11:47,128 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse10 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse11 (* c_~top~0 4)) (.cse12 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse9 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse12 .cse9)) (.cse6 (select (store .cse12 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse9)) (.cse4 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 4)))) (.cse5 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 12)))) (.cse1 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 8)))) (.cse7 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse9)) (.cse3 (<= 5 .cse8)) (.cse2 (< .cse8 5))) (and (<= 0 .cse0) (<= 0 .cse1) .cse2 (<= .cse0 2147483647) (or (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse4 4294967296) (< .cse5 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (<= 0 .cse5) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse4 (- 4294967296)) (+ (div (+ (* .cse4 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 0 .cse6) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (<= .cse6 2147483647) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse4) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (<= 4 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse7) (<= .cse7 2147483647) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0)) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-22 23:11:49,050 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 8)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |c_~#arr~0.offset| 8)))) (and (<= 0 .cse0) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_77| Int) (|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_77| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294)))) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse2) (<= .cse2 2147483647) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0))))) is different from false [2021-11-22 23:11:52,439 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse5 (* c_~top~0 4)) (.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse7 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse6 .cse7)) (.cse3 (select (store .cse6 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret35#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse7)) (.cse2 (select .cse4 (+ |c_~#arr~0.offset| .cse5 (- 4)))) (.cse1 (select .cse4 (+ |c_~#arr~0.offset| .cse5 (- 8))))) (and (<= 0 .cse0) (<= 0 .cse1) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= .cse0 2147483647) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= (+ |c_~#arr~0.offset| 16) (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 0 .cse3) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= .cse3 2147483647) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (= 5 |c_~#arr~0.base|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_97| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))))) (<= 0 .cse2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse1 4294967296) (<= 4 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0)))) is different from false [2021-11-22 23:12:15,144 WARN L227 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 196 DAG size of output: 137 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:12:21,119 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 181 DAG size of output: 124 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-22 23:13:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-11-22 23:13:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-11-22 23:13:17,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-22 23:13:17,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:13:17,945 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 23:13:17,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:13:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1551367059, now seen corresponding path program 3 times [2021-11-22 23:13:17,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:13:17,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274190217] [2021-11-22 23:13:17,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:13:17,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:21,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:13:21,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274190217] [2021-11-22 23:13:21,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274190217] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:13:21,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008047547] [2021-11-22 23:13:21,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:13:21,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:13:21,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:13:21,668 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:13:21,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6228cdac-c225-4878-a670-b38de12e9415/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-22 23:13:21,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-22 23:13:21,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:13:21,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-22 23:13:21,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:23,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 60 [2021-11-22 23:13:25,886 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:13:25,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:13:28,011 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:13:28,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:13:29,959 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-22 23:13:29,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 77 treesize of output 49 [2021-11-22 23:13:34,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 23 [2021-11-22 23:13:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 184 proven. 429 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:13:35,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:13:41,621 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_103| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_103| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296) 4294967294))))) is different from false [2021-11-22 23:15:35,441 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_106| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_106| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_106| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))))) is different from false