/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 13:55:38,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 13:55:38,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 13:55:38,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 13:55:38,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 13:55:38,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 13:55:38,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 13:55:38,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 13:55:38,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 13:55:38,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 13:55:38,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 13:55:38,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 13:55:38,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 13:55:38,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 13:55:38,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 13:55:38,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 13:55:38,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 13:55:38,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 13:55:38,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 13:55:38,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 13:55:38,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 13:55:38,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 13:55:38,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 13:55:38,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 13:55:38,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 13:55:38,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 13:55:38,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 13:55:38,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 13:55:38,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 13:55:38,885 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 13:55:38,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 13:55:38,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 13:55:38,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 13:55:38,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 13:55:38,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 13:55:38,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 13:55:38,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 13:55:38,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 13:55:38,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 13:55:38,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:55:38,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 13:55:38,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 13:55:38,889 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 13:55:38,889 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 13:55:39,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 13:55:39,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 13:55:39,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 13:55:39,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 13:55:39,155 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 13:55:39,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2022-01-18 13:55:39,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d043930/3f4a7651fc0745eb96574a2e84e399c9/FLAGcb4aa87f1 [2022-01-18 13:55:39,761 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 13:55:39,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2022-01-18 13:55:39,762 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:55:39,762 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:55:39,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d043930/3f4a7651fc0745eb96574a2e84e399c9/FLAGcb4aa87f1 [2022-01-18 13:55:40,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d043930/3f4a7651fc0745eb96574a2e84e399c9 [2022-01-18 13:55:40,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 13:55:40,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 13:55:40,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 13:55:40,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 13:55:40,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 13:55:40,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd7fbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40, skipping insertion in model container [2022-01-18 13:55:40,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 13:55:40,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 13:55:40,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:55:40,432 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 13:55:40,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:55:40,459 INFO L208 MainTranslator]: Completed translation [2022-01-18 13:55:40,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40 WrapperNode [2022-01-18 13:55:40,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 13:55:40,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 13:55:40,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 13:55:40,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 13:55:40,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,492 INFO L137 Inliner]: procedures = 10, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-01-18 13:55:40,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 13:55:40,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 13:55:40,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 13:55:40,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 13:55:40,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 13:55:40,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 13:55:40,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 13:55:40,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 13:55:40,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (1/1) ... [2022-01-18 13:55:40,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:55:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:55:40,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 13:55:40,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 13:55:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2022-01-18 13:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 13:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 13:55:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 13:55:40,600 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 13:55:40,736 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 13:55:40,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 13:55:41,083 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 13:55:41,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 13:55:41,092 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-18 13:55:41,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:55:41 BoogieIcfgContainer [2022-01-18 13:55:41,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 13:55:41,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 13:55:41,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 13:55:41,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 13:55:41,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:55:40" (1/3) ... [2022-01-18 13:55:41,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e11f693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:55:41, skipping insertion in model container [2022-01-18 13:55:41,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:55:40" (2/3) ... [2022-01-18 13:55:41,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e11f693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:55:41, skipping insertion in model container [2022-01-18 13:55:41,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:55:41" (3/3) ... [2022-01-18 13:55:41,105 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2022-01-18 13:55:41,109 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 13:55:41,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 13:55:41,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 13:55:41,110 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 13:55:41,162 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,163 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,163 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,163 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,163 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,164 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,165 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,166 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,167 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,168 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,169 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,170 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,170 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,170 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,170 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,170 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,171 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,172 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,172 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,172 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,172 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,172 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,173 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,174 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,175 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,175 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,178 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,178 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,180 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,180 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,180 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,181 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,181 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,181 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,181 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,181 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,182 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,182 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,182 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,182 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,183 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,184 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,187 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,192 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,193 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,194 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,195 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,196 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,197 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,197 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,198 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,198 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,198 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,198 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,199 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,200 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,200 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,200 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,200 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,200 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,201 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,202 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,203 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,203 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,203 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,203 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,203 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,208 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,209 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,210 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,210 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,210 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,210 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,210 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,212 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,212 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,213 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,214 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,214 WARN L322 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:55:41,217 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 13:55:41,271 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 13:55:41,277 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=FINITE_AUTOMATA, 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 [2022-01-18 13:55:41,277 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 13:55:41,288 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 148 transitions, 312 flow [2022-01-18 13:55:41,433 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 13:55:41,471 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:55:41,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:55:41,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 13:55:41,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:55:41,482 INFO L85 PathProgramCache]: Analyzing trace with hash -207808597, now seen corresponding path program 1 times [2022-01-18 13:55:41,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:55:41,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573490226] [2022-01-18 13:55:41,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:55:41,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:55:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:55:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:41,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:55:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573490226] [2022-01-18 13:55:41,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573490226] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:55:41,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:55:41,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 13:55:41,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274059419] [2022-01-18 13:55:41,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:55:41,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 13:55:41,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:55:41,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 13:55:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 13:55:41,753 INFO L87 Difference]: Start difference. First operand has 2268 states, 2267 states have (on average 2.7776797529775035) internal successors, (6297), 2267 states have internal predecessors, (6297), 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) Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:41,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:55:41,822 INFO L93 Difference]: Finished difference Result 2268 states and 6109 transitions. [2022-01-18 13:55:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 13:55:41,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-01-18 13:55:41,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:55:41,859 INFO L225 Difference]: With dead ends: 2268 [2022-01-18 13:55:41,859 INFO L226 Difference]: Without dead ends: 2268 [2022-01-18 13:55:41,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 13:55:41,863 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:55:41,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:55:41,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-01-18 13:55:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2268. [2022-01-18 13:55:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 2267 states have (on average 2.6947507719453023) internal successors, (6109), 2267 states have internal predecessors, (6109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 6109 transitions. [2022-01-18 13:55:41,998 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 6109 transitions. Word has length 98 [2022-01-18 13:55:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:55:41,999 INFO L470 AbstractCegarLoop]: Abstraction has 2268 states and 6109 transitions. [2022-01-18 13:55:41,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 6109 transitions. [2022-01-18 13:55:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 13:55:42,007 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:55:42,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:55:42,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 13:55:42,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 13:55:42,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:55:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash 826602059, now seen corresponding path program 1 times [2022-01-18 13:55:42,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:55:42,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338652448] [2022-01-18 13:55:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:55:42,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:55:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:55:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:42,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:55:42,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338652448] [2022-01-18 13:55:42,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338652448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:55:42,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:55:42,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 13:55:42,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074410902] [2022-01-18 13:55:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:55:42,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 13:55:42,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:55:42,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 13:55:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 13:55:42,254 INFO L87 Difference]: Start difference. First operand 2268 states and 6109 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:55:42,348 INFO L93 Difference]: Finished difference Result 3901 states and 10613 transitions. [2022-01-18 13:55:42,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 13:55:42,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-01-18 13:55:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:55:42,370 INFO L225 Difference]: With dead ends: 3901 [2022-01-18 13:55:42,371 INFO L226 Difference]: Without dead ends: 3901 [2022-01-18 13:55:42,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 13:55:42,376 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 60 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:55:42,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 207 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:55:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2022-01-18 13:55:42,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3537. [2022-01-18 13:55:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 3536 states have (on average 2.7290723981900453) internal successors, (9650), 3536 states have internal predecessors, (9650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 9650 transitions. [2022-01-18 13:55:42,498 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 9650 transitions. Word has length 98 [2022-01-18 13:55:42,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:55:42,500 INFO L470 AbstractCegarLoop]: Abstraction has 3537 states and 9650 transitions. [2022-01-18 13:55:42,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 9650 transitions. [2022-01-18 13:55:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-18 13:55:42,513 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:55:42,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:55:42,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 13:55:42,514 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 13:55:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:55:42,515 INFO L85 PathProgramCache]: Analyzing trace with hash -469772968, now seen corresponding path program 1 times [2022-01-18 13:55:42,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:55:42,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008675402] [2022-01-18 13:55:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:55:42,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:55:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:55:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:42,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:55:42,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008675402] [2022-01-18 13:55:42,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008675402] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:55:42,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:55:42,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 13:55:42,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74489604] [2022-01-18 13:55:42,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:55:42,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 13:55:42,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:55:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 13:55:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 13:55:42,668 INFO L87 Difference]: Start difference. First operand 3537 states and 9650 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:55:42,756 INFO L93 Difference]: Finished difference Result 3543 states and 9655 transitions. [2022-01-18 13:55:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 13:55:42,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-01-18 13:55:42,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:55:42,775 INFO L225 Difference]: With dead ends: 3543 [2022-01-18 13:55:42,775 INFO L226 Difference]: Without dead ends: 3481 [2022-01-18 13:55:42,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-18 13:55:42,777 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 6 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:55:42,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 478 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:55:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2022-01-18 13:55:42,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2022-01-18 13:55:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 2.735632183908046) internal successors, (9520), 3480 states have internal predecessors, (9520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9520 transitions. [2022-01-18 13:55:42,885 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9520 transitions. Word has length 98 [2022-01-18 13:55:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:55:42,885 INFO L470 AbstractCegarLoop]: Abstraction has 3481 states and 9520 transitions. [2022-01-18 13:55:42,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:55:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9520 transitions. [2022-01-18 13:55:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 13:55:42,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:55:42,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:55:42,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 13:55:42,896 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 13:55:42,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:55:42,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1778333990, now seen corresponding path program 1 times [2022-01-18 13:55:42,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:55:42,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338370558] [2022-01-18 13:55:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:55:42,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:55:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:55:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:47,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:55:47,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338370558] [2022-01-18 13:55:47,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338370558] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:55:47,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289875343] [2022-01-18 13:55:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:55:47,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:55:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:55:47,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:55:47,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 13:55:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:55:47,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-18 13:55:47,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:55:48,447 INFO L387 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 23 treesize of output 7 [2022-01-18 13:55:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:48,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:55:48,582 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:55:48,582 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2022-01-18 13:55:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:55:49,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289875343] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 13:55:49,041 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 13:55:49,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 14, 14] total 55 [2022-01-18 13:55:49,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296137628] [2022-01-18 13:55:49,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 13:55:49,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-01-18 13:55:49,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:55:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-01-18 13:55:49,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2914, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 13:55:49,044 INFO L87 Difference]: Start difference. First operand 3481 states and 9520 transitions. Second operand has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:10,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 14:00:10,718 INFO L93 Difference]: Finished difference Result 52374 states and 148002 transitions. [2022-01-18 14:00:10,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 687 states. [2022-01-18 14:00:10,719 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-18 14:00:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 14:00:10,920 INFO L225 Difference]: With dead ends: 52374 [2022-01-18 14:00:10,920 INFO L226 Difference]: Without dead ends: 45378 [2022-01-18 14:00:10,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 737 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223436 ImplicationChecksByTransitivity, 241.2s TimeCoverageRelationStatistics Valid=53738, Invalid=491644, Unknown=0, NotChecked=0, Total=545382 [2022-01-18 14:00:10,972 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 8344 mSDsluCounter, 28864 mSDsCounter, 0 mSdLazyCounter, 26734 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8344 SdHoareTripleChecker+Valid, 28675 SdHoareTripleChecker+Invalid, 27166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 26734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-01-18 14:00:10,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8344 Valid, 28675 Invalid, 27166 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [432 Valid, 26734 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-01-18 14:00:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45378 states. [2022-01-18 14:00:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45378 to 4635. [2022-01-18 14:00:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4635 states, 4634 states have (on average 2.809883470004316) internal successors, (13021), 4634 states have internal predecessors, (13021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 13021 transitions. [2022-01-18 14:00:11,539 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 13021 transitions. Word has length 107 [2022-01-18 14:00:11,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 14:00:11,540 INFO L470 AbstractCegarLoop]: Abstraction has 4635 states and 13021 transitions. [2022-01-18 14:00:11,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 3.618181818181818) internal successors, (199), 56 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 13021 transitions. [2022-01-18 14:00:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 14:00:11,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:00:11,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 14:00:11,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 14:00:11,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:00:11,780 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 14:00:11,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:00:11,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1224327644, now seen corresponding path program 1 times [2022-01-18 14:00:11,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:00:11,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839083316] [2022-01-18 14:00:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:00:11,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:00:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:00:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:00:12,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 14:00:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839083316] [2022-01-18 14:00:12,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839083316] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 14:00:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993214694] [2022-01-18 14:00:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:00:12,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:00:12,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:00:12,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 14:00:12,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 14:00:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:00:12,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-18 14:00:12,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 14:00:13,334 INFO L387 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 23 treesize of output 7 [2022-01-18 14:00:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:00:13,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 14:00:13,481 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:00:13,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2022-01-18 14:00:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:00:13,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993214694] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 14:00:13,775 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 14:00:13,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 14] total 37 [2022-01-18 14:00:13,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824625489] [2022-01-18 14:00:13,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 14:00:13,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-18 14:00:13,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 14:00:13,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-18 14:00:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-01-18 14:00:13,776 INFO L87 Difference]: Start difference. First operand 4635 states and 13021 transitions. Second operand has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:20,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 14:00:20,559 INFO L93 Difference]: Finished difference Result 17540 states and 50115 transitions. [2022-01-18 14:00:20,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-01-18 14:00:20,559 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-18 14:00:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 14:00:20,572 INFO L225 Difference]: With dead ends: 17540 [2022-01-18 14:00:20,573 INFO L226 Difference]: Without dead ends: 4164 [2022-01-18 14:00:20,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2860, Invalid=12640, Unknown=0, NotChecked=0, Total=15500 [2022-01-18 14:00:20,577 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 2671 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 3329 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 3420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 14:00:20,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2671 Valid, 6150 Invalid, 3420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3329 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 14:00:20,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2022-01-18 14:00:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 2333. [2022-01-18 14:00:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 2332 states have (on average 2.634219554030875) internal successors, (6143), 2332 states have internal predecessors, (6143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 6143 transitions. [2022-01-18 14:00:20,635 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 6143 transitions. Word has length 107 [2022-01-18 14:00:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 14:00:20,635 INFO L470 AbstractCegarLoop]: Abstraction has 2333 states and 6143 transitions. [2022-01-18 14:00:20,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.378378378378378) internal successors, (199), 38 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:00:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 6143 transitions. [2022-01-18 14:00:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 14:00:20,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:00:20,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 14:00:20,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 14:00:20,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:00:20,861 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 14:00:20,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:00:20,862 INFO L85 PathProgramCache]: Analyzing trace with hash -7074542, now seen corresponding path program 2 times [2022-01-18 14:00:20,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:00:20,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124415421] [2022-01-18 14:00:20,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:00:20,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:00:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:00:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:00:21,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 14:00:21,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124415421] [2022-01-18 14:00:21,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124415421] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 14:00:21,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192616500] [2022-01-18 14:00:21,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 14:00:21,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:00:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:00:21,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 14:00:21,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 14:00:21,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 14:00:21,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 14:00:21,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 73 conjunts are in the unsatisfiable core [2022-01-18 14:00:21,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 14:00:22,005 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-01-18 14:00:22,110 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 14:00:22,110 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-01-18 14:00:22,146 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-01-18 14:00:22,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-01-18 14:00:22,400 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-01-18 14:00:22,401 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-01-18 14:00:22,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 14:00:23,754 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 14:00:23,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2022-01-18 14:00:23,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 14:00:24,163 INFO L387 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 15 treesize of output 7 [2022-01-18 14:00:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:00:24,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 14:00:24,567 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) (= (- 1) c_~search_result~0)) is different from false [2022-01-18 14:00:24,602 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_167 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) (= (- 1) c_search_workerThread1of1ForFork1_~i~0)) is different from false [2022-01-18 14:00:25,247 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_166 (Array Int Int)) (v_ArrVal_167 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher1~0#1.base| v_ArrVal_166))) (let ((.cse2 (select (select .cse0 |c_ULTIMATE.start_search_~#bounds1~0#1.base|) |c_ULTIMATE.start_search_~#bounds1~0#1.offset|))) (let ((.cse1 (* 4 .cse2))) (or (not (= c_~search_needle~0 (select (select .cse0 c_~search_haystack~0.base) (+ c_~search_haystack~0.offset .cse1)))) (= (- 1) .cse2) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store .cse0 |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_167) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| .cse1)))))))) is different from false [2022-01-18 14:00:25,352 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:00:25,353 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 465 treesize of output 531 [2022-01-18 14:00:25,418 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:00:25,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 421 treesize of output 465 [2022-01-18 14:00:25,466 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:00:25,466 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 230 treesize of output 210 [2022-01-18 14:01:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-01-18 14:01:44,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192616500] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 14:01:44,149 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 14:01:44,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 28] total 69 [2022-01-18 14:01:44,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442060276] [2022-01-18 14:01:44,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 14:01:44,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-01-18 14:01:44,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 14:01:44,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-01-18 14:01:44,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=4057, Unknown=3, NotChecked=396, Total=4830 [2022-01-18 14:01:44,151 INFO L87 Difference]: Start difference. First operand 2333 states and 6143 transitions. Second operand has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 14:01:46,753 INFO L93 Difference]: Finished difference Result 3251 states and 8373 transitions. [2022-01-18 14:01:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 14:01:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-18 14:01:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 14:01:46,757 INFO L225 Difference]: With dead ends: 3251 [2022-01-18 14:01:46,758 INFO L226 Difference]: Without dead ends: 2909 [2022-01-18 14:01:46,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 176 SyntacticMatches, 13 SemanticMatches, 95 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=841, Invalid=7910, Unknown=3, NotChecked=558, Total=9312 [2022-01-18 14:01:46,759 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 443 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 4187 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1263 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 14:01:46,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 4187 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 964 Invalid, 0 Unknown, 1263 Unchecked, 0.4s Time] [2022-01-18 14:01:46,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2022-01-18 14:01:46,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2828. [2022-01-18 14:01:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2827 states have (on average 2.606650159179342) internal successors, (7369), 2827 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 7369 transitions. [2022-01-18 14:01:46,807 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 7369 transitions. Word has length 107 [2022-01-18 14:01:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 14:01:46,807 INFO L470 AbstractCegarLoop]: Abstraction has 2828 states and 7369 transitions. [2022-01-18 14:01:46,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 3.8405797101449277) internal successors, (265), 70 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 7369 transitions. [2022-01-18 14:01:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-18 14:01:46,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:01:46,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 14:01:46,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 14:01:47,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:01:47,038 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 14:01:47,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:01:47,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1493344032, now seen corresponding path program 3 times [2022-01-18 14:01:47,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:01:47,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387579564] [2022-01-18 14:01:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:01:47,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:01:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:01:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:01:47,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 14:01:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387579564] [2022-01-18 14:01:47,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387579564] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 14:01:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86296089] [2022-01-18 14:01:47,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 14:01:47,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:01:47,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:01:47,924 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 14:01:47,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 14:01:48,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 14:01:48,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 14:01:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 14:01:48,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 14:01:48,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-01-18 14:01:48,216 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 14:01:48,217 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 14:01:48,233 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 14:01:48,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 14:01:48,572 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-18 14:01:48,770 INFO L387 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 23 treesize of output 7 [2022-01-18 14:01:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:01:48,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 14:01:48,866 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_206 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_206) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-01-18 14:01:48,928 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:01:48,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 45 [2022-01-18 14:01:48,932 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-01-18 14:01:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:01:49,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86296089] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 14:01:49,646 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 14:01:49,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 17, 17] total 47 [2022-01-18 14:01:49,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688954579] [2022-01-18 14:01:49,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 14:01:49,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-18 14:01:49,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 14:01:49,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-18 14:01:49,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2006, Unknown=1, NotChecked=90, Total=2256 [2022-01-18 14:01:49,648 INFO L87 Difference]: Start difference. First operand 2828 states and 7369 transitions. Second operand has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:57,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 14:01:57,086 INFO L93 Difference]: Finished difference Result 8486 states and 22600 transitions. [2022-01-18 14:01:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-01-18 14:01:57,087 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-18 14:01:57,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 14:01:57,089 INFO L225 Difference]: With dead ends: 8486 [2022-01-18 14:01:57,089 INFO L226 Difference]: Without dead ends: 1375 [2022-01-18 14:01:57,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 210 SyntacticMatches, 16 SemanticMatches, 121 ConstructedPredicates, 1 IntricatePredicates, 6 DeprecatedPredicates, 3640 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2723, Invalid=12042, Unknown=1, NotChecked=240, Total=15006 [2022-01-18 14:01:57,091 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 4259 mSDsluCounter, 3726 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4259 SdHoareTripleChecker+Valid, 3762 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 647 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 14:01:57,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4259 Valid, 3762 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 2124 Invalid, 0 Unknown, 647 Unchecked, 1.0s Time] [2022-01-18 14:01:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2022-01-18 14:01:57,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1277. [2022-01-18 14:01:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1276 states have (on average 2.542319749216301) internal successors, (3244), 1276 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 3244 transitions. [2022-01-18 14:01:57,111 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 3244 transitions. Word has length 107 [2022-01-18 14:01:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 14:01:57,111 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 3244 transitions. [2022-01-18 14:01:57,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.574468085106383) internal successors, (215), 48 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:01:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 3244 transitions. [2022-01-18 14:01:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 14:01:57,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:01:57,114 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 14:01:57,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 14:01:57,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:01:57,327 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 14:01:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:01:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2014531847, now seen corresponding path program 1 times [2022-01-18 14:01:57,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:01:57,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174330462] [2022-01-18 14:01:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:01:57,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:01:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:01:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:01:58,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 14:01:58,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174330462] [2022-01-18 14:01:58,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174330462] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 14:01:58,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603980022] [2022-01-18 14:01:58,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:01:58,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:01:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:01:58,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 14:01:58,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 14:01:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:01:58,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 14:01:58,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 14:01:58,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-01-18 14:01:58,574 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-18 14:01:58,574 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-01-18 14:01:58,620 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 14:01:58,620 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 14:01:59,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-18 14:01:59,227 INFO L387 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 23 treesize of output 7 [2022-01-18 14:01:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 14:01:59,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 14:01:59,312 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* c_~search_result~0 4))))) is different from false [2022-01-18 14:01:59,338 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_245 (Array Int Int))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher2~0#1.base| v_ArrVal_245) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| (* 4 c_search_workerThread1of1ForFork1_~i~0))))) is different from false [2022-01-18 14:01:59,392 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:01:59,393 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 45 [2022-01-18 14:01:59,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-01-18 14:02:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 5 not checked. [2022-01-18 14:02:00,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603980022] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 14:02:00,013 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 14:02:00,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 49 [2022-01-18 14:02:00,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301895770] [2022-01-18 14:02:00,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 14:02:00,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-18 14:02:00,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 14:02:00,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-18 14:02:00,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2108, Unknown=2, NotChecked=186, Total=2450 [2022-01-18 14:02:00,015 INFO L87 Difference]: Start difference. First operand 1277 states and 3244 transitions. Second operand has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:02:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 14:02:06,182 INFO L93 Difference]: Finished difference Result 5694 states and 14951 transitions. [2022-01-18 14:02:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-18 14:02:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-01-18 14:02:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 14:02:06,186 INFO L225 Difference]: With dead ends: 5694 [2022-01-18 14:02:06,186 INFO L226 Difference]: Without dead ends: 2682 [2022-01-18 14:02:06,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 206 SyntacticMatches, 22 SemanticMatches, 108 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 2663 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1941, Invalid=9621, Unknown=2, NotChecked=426, Total=11990 [2022-01-18 14:02:06,188 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 3058 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 967 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 14:02:06,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3058 Valid, 3515 Invalid, 3093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1992 Invalid, 0 Unknown, 967 Unchecked, 0.8s Time] [2022-01-18 14:02:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-01-18 14:02:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 1227. [2022-01-18 14:02:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1226 states have (on average 2.560358890701468) internal successors, (3139), 1226 states have internal predecessors, (3139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:02:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3139 transitions. [2022-01-18 14:02:06,217 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3139 transitions. Word has length 114 [2022-01-18 14:02:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 14:02:06,217 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 3139 transitions. [2022-01-18 14:02:06,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.857142857142857) internal successors, (238), 50 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:02:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3139 transitions. [2022-01-18 14:02:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 14:02:06,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:02:06,220 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 14:02:06,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 14:02:06,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:02:06,435 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 14:02:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:02:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash -481378191, now seen corresponding path program 2 times [2022-01-18 14:02:06,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:02:06,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121631109] [2022-01-18 14:02:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:02:06,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:02:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 14:02:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:02:07,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 14:02:07,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121631109] [2022-01-18 14:02:07,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121631109] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 14:02:07,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273197866] [2022-01-18 14:02:07,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 14:02:07,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:02:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:02:07,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 14:02:07,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 14:02:07,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 14:02:07,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 14:02:07,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 85 conjunts are in the unsatisfiable core [2022-01-18 14:02:07,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 14:02:07,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-01-18 14:02:07,964 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 14:02:07,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-18 14:02:08,128 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 14:02:08,128 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 14:02:08,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 14:02:09,588 INFO L353 Elim1Store]: treesize reduction 125, result has 27.3 percent of original size [2022-01-18 14:02:09,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 69 [2022-01-18 14:02:11,181 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:02:11,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 35 [2022-01-18 14:02:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 14:02:11,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 14:02:12,350 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_286 Int) (v_ArrVal_285 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_search_~#searcher1~0#1.base| v_ArrVal_285))) (let ((.cse0 (select .cse2 c_~search_haystack~0.base)) (.cse1 (* (select (select .cse2 |c_ULTIMATE.start_search_~#bounds1~0#1.base|) |c_ULTIMATE.start_search_~#bounds1~0#1.offset|) 4))) (or (= c_~search_needle~0 (select .cse0 (+ c_~search_haystack~0.offset .cse1))) (= |c_ULTIMATE.start_main_~needle~0#1| (select (select (store .cse2 |c_ULTIMATE.start_search_~#searcher2~0#1.base| (store (select .cse2 |c_ULTIMATE.start_search_~#searcher2~0#1.base|) |c_ULTIMATE.start_search_~#searcher2~0#1.offset| v_ArrVal_286)) |c_ULTIMATE.start_main_~#haystack~0#1.base|) (+ |c_ULTIMATE.start_main_~#haystack~0#1.offset| .cse1 4))) (not (= (select .cse0 (+ c_~search_haystack~0.offset .cse1 4)) c_~search_needle~0)))))) is different from false [2022-01-18 14:02:12,414 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 14:02:12,415 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 777 treesize of output 763 [2022-01-18 14:02:12,648 INFO L353 Elim1Store]: treesize reduction 54, result has 81.3 percent of original size [2022-01-18 14:02:12,648 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 901 treesize of output 971 Received shutdown request... [2022-01-18 14:08:52,044 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 14:08:52,057 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-01-18 14:08:52,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 14:08:52,058 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-18 14:08:52,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-01-18 14:08:52,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 14:08:52,259 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 31ms.. [2022-01-18 14:08:52,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 14:08:52,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 14:08:52,263 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-01-18 14:08:52,264 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 14:08:52,264 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 14:08:52,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 02:08:52 BasicIcfg [2022-01-18 14:08:52,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 14:08:52,267 INFO L158 Benchmark]: Toolchain (without parser) took 792136.77ms. Allocated memory was 367.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 311.6MB in the beginning and 841.9MB in the end (delta: -530.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.0GB. [2022-01-18 14:08:52,267 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory is still 330.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 14:08:52,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.36ms. Allocated memory is still 367.0MB. Free memory was 311.3MB in the beginning and 337.6MB in the end (delta: -26.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.0GB. [2022-01-18 14:08:52,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.35ms. Allocated memory is still 367.0MB. Free memory was 337.6MB in the beginning and 335.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 14:08:52,267 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 367.0MB. Free memory was 335.9MB in the beginning and 334.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 14:08:52,268 INFO L158 Benchmark]: RCFGBuilder took 578.06ms. Allocated memory is still 367.0MB. Free memory was 334.2MB in the beginning and 320.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 14:08:52,268 INFO L158 Benchmark]: TraceAbstraction took 791171.32ms. Allocated memory was 367.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 320.6MB in the beginning and 841.9MB in the end (delta: -521.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2022-01-18 14:08:52,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory is still 330.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 321.36ms. Allocated memory is still 367.0MB. Free memory was 311.3MB in the beginning and 337.6MB in the end (delta: -26.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 31.35ms. Allocated memory is still 367.0MB. Free memory was 337.6MB in the beginning and 335.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 367.0MB. Free memory was 335.9MB in the beginning and 334.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 578.06ms. Allocated memory is still 367.0MB. Free memory was 334.2MB in the beginning and 320.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 791171.32ms. Allocated memory was 367.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 320.6MB in the beginning and 841.9MB in the end (delta: -521.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 31ms.. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 31ms.. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 31ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 791.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 285.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18841 SdHoareTripleChecker+Valid, 22.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18841 mSDsluCounter, 47100 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2877 IncrementalHoareTripleChecker+Unchecked, 46858 mSDsCounter, 843 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35200 IncrementalHoareTripleChecker+Invalid, 38920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 843 mSolverCounterUnsat, 2211 mSDtfsCounter, 35200 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2248 GetRequests, 1004 SyntacticMatches, 53 SemanticMatches, 1191 ConstructedPredicates, 6 IntricatePredicates, 8 DeprecatedPredicates, 235328 ImplicationChecksByTransitivity, 265.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4635occurred in iteration=4, InterpolantAutomatonStates: 975, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 44572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 96.3s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1902 ConstructedInterpolants, 104 QuantifiedInterpolants, 26419 SizeOfPredicates, 122 NumberOfNonLiveVariables, 1437 ConjunctsInSsa, 231 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 4/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown