/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-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 18:35:35,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 18:35:35,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 18:35:35,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 18:35:35,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 18:35:35,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 18:35:35,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 18:35:35,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 18:35:35,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 18:35:35,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 18:35:35,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 18:35:35,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 18:35:35,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 18:35:35,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 18:35:35,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 18:35:35,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 18:35:35,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 18:35:35,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 18:35:35,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 18:35:35,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 18:35:35,167 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-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 18:35:35,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 18:35:35,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 18:35:35,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 18:35:35,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 18:35:35,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 18:35:35,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 18:35:35,204 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 18:35:35,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 18:35:35,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 18:35:35,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 18:35:35,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 18:35:35,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 18:35:35,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 18:35:35,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 18:35:35,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 18:35:35,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 18:35:35,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 18:35:35,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 18:35:35,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 18:35:35,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 18:35:35,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 18:35:35,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 18:35:35,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 18:35:35,209 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 18:35:35,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 18:35:35,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 18:35:35,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 18:35:35,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 18:35:35,210 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 18:35:35,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 18:35:35,210 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 18:35:35,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 18:35:35,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 18:35:35,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 18:35:35,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 18:35:35,589 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 18:35:35,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 18:35:35,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda3b9a25/a9b3423d6b4a482e951ae968dbc3d369/FLAGff270c433 [2021-06-06 18:35:36,119 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 18:35:36,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 18:35:36,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda3b9a25/a9b3423d6b4a482e951ae968dbc3d369/FLAGff270c433 [2021-06-06 18:35:36,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda3b9a25/a9b3423d6b4a482e951ae968dbc3d369 [2021-06-06 18:35:36,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 18:35:36,461 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 18:35:36,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 18:35:36,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 18:35:36,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 18:35:36,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149ec1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36, skipping insertion in model container [2021-06-06 18:35:36,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 18:35:36,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 18:35:36,774 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-06-06 18:35:36,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 18:35:36,791 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 18:35:36,851 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-06-06 18:35:36,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 18:35:36,907 INFO L208 MainTranslator]: Completed translation [2021-06-06 18:35:36,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36 WrapperNode [2021-06-06 18:35:36,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 18:35:36,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 18:35:36,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 18:35:36,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 18:35:36,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 18:35:36,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 18:35:36,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 18:35:36,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 18:35:36,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... [2021-06-06 18:35:36,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 18:35:36,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 18:35:36,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 18:35:36,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 18:35:36,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 18:35:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 18:35:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 18:35:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 18:35:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 18:35:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 18:35:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 18:35:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 18:35:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 18:35:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 18:35:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 18:35:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 18:35:37,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 18:35:37,031 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 18:35:37,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 18:35:37,380 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 18:35:37,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:35:37 BoogieIcfgContainer [2021-06-06 18:35:37,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 18:35:37,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 18:35:37,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 18:35:37,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 18:35:37,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 06:35:36" (1/3) ... [2021-06-06 18:35:37,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbaf9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:35:37, skipping insertion in model container [2021-06-06 18:35:37,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:35:36" (2/3) ... [2021-06-06 18:35:37,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbaf9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:35:37, skipping insertion in model container [2021-06-06 18:35:37,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:35:37" (3/3) ... [2021-06-06 18:35:37,390 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-1.i [2021-06-06 18:35:37,395 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 18:35:37,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 18:35:37,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 18:35:37,396 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 18:35:37,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,431 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,431 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,435 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,437 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,438 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,438 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,439 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,439 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,440 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,441 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,441 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,442 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,444 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,447 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,447 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:35:37,459 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 18:35:37,479 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 18:35:37,532 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 18:35:37,532 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 18:35:37,532 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 18:35:37,533 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 18:35:37,533 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 18:35:37,533 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 18:35:37,533 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 18:35:37,533 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 18:35:37,579 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:37,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1398979479, now seen corresponding path program 1 times [2021-06-06 18:35:37,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:37,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012959057] [2021-06-06 18:35:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:37,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:37,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012959057] [2021-06-06 18:35:37,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012959057] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 18:35:37,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 18:35:37,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 18:35:37,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114156693] [2021-06-06 18:35:37,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 18:35:37,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:37,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 18:35:37,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 18:35:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:37,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:37,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:37,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:38,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 18:35:38,310 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:38,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:38,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1911883382, now seen corresponding path program 1 times [2021-06-06 18:35:38,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:38,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197117882] [2021-06-06 18:35:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:38,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:38,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197117882] [2021-06-06 18:35:38,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197117882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:38,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983674958] [2021-06-06 18:35:38,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:38,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 18:35:38,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:38,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983674958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:38,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:38,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 18:35:38,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479714184] [2021-06-06 18:35:38,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 18:35:38,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:38,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 18:35:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 18:35:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:38,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:38,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:38,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:38,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:39,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:39,309 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:39,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1034457491, now seen corresponding path program 1 times [2021-06-06 18:35:39,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:39,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435507511] [2021-06-06 18:35:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:39,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:39,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435507511] [2021-06-06 18:35:39,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435507511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:39,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126835066] [2021-06-06 18:35:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:39,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 18:35:39,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:39,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126835066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:39,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:39,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-06 18:35:39,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465739471] [2021-06-06 18:35:39,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 18:35:39,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:39,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 18:35:39,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-06 18:35:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:39,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:39,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:39,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:39,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:39,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:40,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:40,241 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:40,241 INFO L82 PathProgramCache]: Analyzing trace with hash -701841199, now seen corresponding path program 2 times [2021-06-06 18:35:40,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:40,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140605229] [2021-06-06 18:35:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:40,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:40,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140605229] [2021-06-06 18:35:40,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140605229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:40,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798450571] [2021-06-06 18:35:40,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:40,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 18:35:40,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:40,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 18:35:40,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:40,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798450571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:40,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:40,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 18:35:40,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740406634] [2021-06-06 18:35:40,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 18:35:40,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:40,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 18:35:40,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 18:35:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:40,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:40,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:40,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:40,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:40,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:40,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:41,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:41,291 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1177885504, now seen corresponding path program 3 times [2021-06-06 18:35:41,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:41,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788051914] [2021-06-06 18:35:41,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:41,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:41,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788051914] [2021-06-06 18:35:41,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788051914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:41,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914772460] [2021-06-06 18:35:41,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:41,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 18:35:41,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:41,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 18:35:41,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:41,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914772460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:41,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:41,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 18:35:41,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596291896] [2021-06-06 18:35:41,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 18:35:41,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:41,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 18:35:41,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-06 18:35:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:41,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:41,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:42,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:42,424 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:42,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:42,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1480558865, now seen corresponding path program 4 times [2021-06-06 18:35:42,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:42,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928974] [2021-06-06 18:35:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 84 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:42,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:42,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928974] [2021-06-06 18:35:42,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:42,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263422273] [2021-06-06 18:35:42,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:42,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 18:35:42,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:42,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 18:35:42,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:42,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263422273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:42,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:42,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-06-06 18:35:42,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827742583] [2021-06-06 18:35:42,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:35:42,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:42,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:35:42,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 18:35:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:42,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:42,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:42,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:43,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:43,593 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:43,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:43,593 INFO L82 PathProgramCache]: Analyzing trace with hash -701481027, now seen corresponding path program 5 times [2021-06-06 18:35:43,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:43,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596949771] [2021-06-06 18:35:43,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:43,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:43,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596949771] [2021-06-06 18:35:43,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596949771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:43,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143707423] [2021-06-06 18:35:43,671 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:43,751 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 18:35:43,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:43,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 18:35:43,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:43,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143707423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:43,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:43,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-06 18:35:43,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284507095] [2021-06-06 18:35:43,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 18:35:43,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:43,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 18:35:43,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 18:35:43,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:43,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:43,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:43,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:44,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:44,605 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:44,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:44,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1798279124, now seen corresponding path program 6 times [2021-06-06 18:35:44,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:44,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554951017] [2021-06-06 18:35:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:44,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:44,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554951017] [2021-06-06 18:35:44,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554951017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:44,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712475477] [2021-06-06 18:35:44,716 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:44,772 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 18:35:44,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:44,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 18:35:44,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:44,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712475477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:44,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:44,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 18:35:44,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873441354] [2021-06-06 18:35:44,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 18:35:44,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:44,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 18:35:44,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-06 18:35:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:44,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:44,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:44,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:45,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 18:35:45,752 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:45,753 INFO L82 PathProgramCache]: Analyzing trace with hash -260337637, now seen corresponding path program 7 times [2021-06-06 18:35:45,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:45,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988454861] [2021-06-06 18:35:45,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:45,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:45,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988454861] [2021-06-06 18:35:45,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988454861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:45,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784561872] [2021-06-06 18:35:45,851 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:45,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 18:35:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 18:35:46,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784561872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:46,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:46,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 18:35:46,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771786949] [2021-06-06 18:35:46,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 18:35:46,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:46,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 18:35:46,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-06-06 18:35:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:46,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:46,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:47,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:47,467 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:47,467 INFO L82 PathProgramCache]: Analyzing trace with hash -196585057, now seen corresponding path program 8 times [2021-06-06 18:35:47,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:47,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077275139] [2021-06-06 18:35:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:47,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:47,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077275139] [2021-06-06 18:35:47,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077275139] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:47,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192750365] [2021-06-06 18:35:47,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:47,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 18:35:47,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:47,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 18:35:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:47,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192750365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:47,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:47,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-06-06 18:35:47,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090880213] [2021-06-06 18:35:47,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:35:47,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:47,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:35:47,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-06-06 18:35:47,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:47,850 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:47,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:47,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 18:35:48,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:48,953 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:48,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2021426388, now seen corresponding path program 9 times [2021-06-06 18:35:48,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:48,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462557542] [2021-06-06 18:35:48,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:49,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:49,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462557542] [2021-06-06 18:35:49,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462557542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:49,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45971090] [2021-06-06 18:35:49,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:49,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 18:35:49,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:49,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 18:35:49,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:49,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45971090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:49,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:49,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-06-06 18:35:49,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664750308] [2021-06-06 18:35:49,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:35:49,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:35:49,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-06-06 18:35:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:49,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:49,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:49,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 18:35:49,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 18:35:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 18:35:50,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 18:35:50,973 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:50,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:50,973 INFO L82 PathProgramCache]: Analyzing trace with hash -617338376, now seen corresponding path program 10 times [2021-06-06 18:35:50,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:50,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048437619] [2021-06-06 18:35:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 90 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:51,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:51,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048437619] [2021-06-06 18:35:51,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048437619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:51,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119894804] [2021-06-06 18:35:51,060 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:51,120 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 18:35:51,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:35:51,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 18:35:51,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:51,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119894804] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 18:35:51,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 18:35:51,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-06 18:35:51,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670289766] [2021-06-06 18:35:51,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 18:35:51,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:51,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 18:35:51,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 18:35:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:51,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:51,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 18:35:51,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 18:35:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 18:35:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:53,214 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:35:53,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:35:53,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1583833034, now seen corresponding path program 1 times [2021-06-06 18:35:53,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:35:53,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622840856] [2021-06-06 18:35:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:35:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:53,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:35:53,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622840856] [2021-06-06 18:35:53,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622840856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:53,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740502054] [2021-06-06 18:35:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:35:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:35:53,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 18:35:53,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:35:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:35:53,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740502054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:35:53,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:35:53,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-06-06 18:35:53,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052926274] [2021-06-06 18:35:53,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 18:35:53,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:35:53,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 18:35:53,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-06-06 18:35:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:53,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:35:53,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 18:35:53,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:53,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:35:54,914 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 18:35:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:35:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 18:35:57,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 18:35:57,930 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 18:35:57,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 06:35:57 BasicIcfg [2021-06-06 18:35:57,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 18:35:57,933 INFO L168 Benchmark]: Toolchain (without parser) took 21472.70 ms. Allocated memory was 337.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 299.9 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,933 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 337.6 MB. Free memory was 317.7 MB in the beginning and 317.6 MB in the end (delta: 87.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 18:35:57,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.44 ms. Allocated memory is still 337.6 MB. Free memory was 299.8 MB in the beginning and 301.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.17 ms. Allocated memory is still 337.6 MB. Free memory was 301.2 MB in the beginning and 299.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,934 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 337.6 MB. Free memory was 299.7 MB in the beginning and 298.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,934 INFO L168 Benchmark]: RCFGBuilder took 418.48 ms. Allocated memory is still 337.6 MB. Free memory was 298.3 MB in the beginning and 276.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,934 INFO L168 Benchmark]: TraceAbstraction took 20549.74 ms. Allocated memory was 337.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 276.0 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-06 18:35:57,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 337.6 MB. Free memory was 317.7 MB in the beginning and 317.6 MB in the end (delta: 87.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 446.44 ms. Allocated memory is still 337.6 MB. Free memory was 299.8 MB in the beginning and 301.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.17 ms. Allocated memory is still 337.6 MB. Free memory was 301.2 MB in the beginning and 299.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 337.6 MB. Free memory was 299.7 MB in the beginning and 298.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 418.48 ms. Allocated memory is still 337.6 MB. Free memory was 298.3 MB in the beginning and 276.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20549.74 ms. Allocated memory was 337.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 276.0 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 844338, positive: 704088, positive conditional: 704088, positive unconditional: 0, negative: 140250, negative conditional: 140250, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 707892, positive: 704088, positive conditional: 704088, positive unconditional: 0, negative: 3804, negative conditional: 3804, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 707892, positive: 701610, positive conditional: 0, positive unconditional: 701610, negative: 6282, negative conditional: 0, negative unconditional: 6282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 748, positive: 742, positive conditional: 0, positive unconditional: 742, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 748, positive: 742, positive conditional: 0, positive unconditional: 742, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 707892, positive: 700868, positive conditional: 0, positive unconditional: 700868, negative: 6276, negative conditional: 0, negative unconditional: 6276, unknown: 748, unknown conditional: 0, unknown unconditional: 748] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013, SemanticConditionEliminator.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53354, positive: 2478, positive conditional: 2478, positive unconditional: 0, negative: 50876, negative conditional: 27863, negative unconditional: 23013, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 295, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 273, negative conditional: 267, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 472, negative conditional: 423, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53354, positive: 2456, positive conditional: 2456, positive unconditional: 0, negative: 50609, negative conditional: 27596, negative unconditional: 23013, unknown: 289, unknown conditional: 289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 764, Positive conditional cache size: 22, Positive unconditional cache size: 742, Negative cache size: 273, Negative conditional cache size: 267, Negative unconditional cache size: 6, Eliminated conditions: 23013 ], Maximal queried relation: 13, Independence queries for same thread: 136446 - PositiveResult [Line: 722]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20425.1ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 13109.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 289, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 189.9ms SsaConstructionTime, 515.4ms SatisfiabilityAnalysisTime, 3298.7ms InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1769 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1759 ConstructedInterpolants, 0 QuantifiedInterpolants, 5873 SizeOfPredicates, 98 NumberOfNonLiveVariables, 1939 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 420/1414 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...