/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 10:51:06,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 10:51:06,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 10:51:06,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 10:51:06,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 10:51:06,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 10:51:06,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 10:51:06,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 10:51:06,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 10:51:06,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 10:51:06,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 10:51:06,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 10:51:06,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 10:51:06,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 10:51:06,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 10:51:06,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 10:51:06,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 10:51:06,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 10:51:06,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 10:51:06,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 10:51:06,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 10:51:06,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 10:51:06,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 10:51:06,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 10:51:06,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 10:51:06,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 10:51:06,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 10:51:06,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 10:51:06,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 10:51:06,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 10:51:06,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 10:51:06,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 10:51:06,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 10:51:06,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 10:51:06,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 10:51:06,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 10:51:06,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 10:51:06,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 10:51:06,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 10:51:06,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 10:51:06,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 10:51:06,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 10:51:06,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 10:51:06,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 10:51:06,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 10:51:06,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 10:51:06,894 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 10:51:06,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 10:51:06,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 10:51:06,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 10:51:06,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 10:51:06,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 10:51:06,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 10:51:06,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 10:51:06,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 10:51:06,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 10:51:06,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 10:51:06,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 10:51:06,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 10:51:06,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 10:51:06,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 10:51:06,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 10:51:06,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 10:51:06,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 10:51:06,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 10:51:06,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 10:51:06,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 10:51:06,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 10:51:06,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 10:51:06,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 10:51:06,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 10:51:06,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 10:51:07,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 10:51:07,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 10:51:07,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 10:51:07,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 10:51:07,214 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 10:51:07,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-16 10:51:07,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5648dec42/5c8b47a3494646aea266e1a5bd9154b2/FLAGac1484fb4 [2020-10-16 10:51:07,889 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 10:51:07,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-16 10:51:07,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5648dec42/5c8b47a3494646aea266e1a5bd9154b2/FLAGac1484fb4 [2020-10-16 10:51:08,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5648dec42/5c8b47a3494646aea266e1a5bd9154b2 [2020-10-16 10:51:08,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 10:51:08,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 10:51:08,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 10:51:08,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 10:51:08,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 10:51:08,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:08" (1/1) ... [2020-10-16 10:51:08,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc5e72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:08, skipping insertion in model container [2020-10-16 10:51:08,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:08" (1/1) ... [2020-10-16 10:51:08,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 10:51:08,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 10:51:08,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:51:08,810 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 10:51:08,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:51:09,026 INFO L208 MainTranslator]: Completed translation [2020-10-16 10:51:09,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09 WrapperNode [2020-10-16 10:51:09,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 10:51:09,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 10:51:09,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 10:51:09,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 10:51:09,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 10:51:09,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 10:51:09,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 10:51:09,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 10:51:09,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 10:51:09,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 10:51:09,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 10:51:09,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 10:51:09,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 10:51:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 10:51:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 10:51:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 10:51:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 10:51:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 10:51:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 10:51:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 10:51:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 10:51:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 10:51:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 10:51:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 10:51:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 10:51:09,231 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 10:51:09,704 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 10:51:09,705 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-16 10:51:09,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:09 BoogieIcfgContainer [2020-10-16 10:51:09,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 10:51:09,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 10:51:09,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 10:51:09,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 10:51:09,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:51:08" (1/3) ... [2020-10-16 10:51:09,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0098f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:09, skipping insertion in model container [2020-10-16 10:51:09,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09" (2/3) ... [2020-10-16 10:51:09,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0098f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:09, skipping insertion in model container [2020-10-16 10:51:09,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:09" (3/3) ... [2020-10-16 10:51:09,737 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-16 10:51:09,749 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 10:51:09,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 10:51:09,758 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 10:51:09,759 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 10:51:09,796 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,797 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,797 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,797 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,798 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,798 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,798 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,798 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,799 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,800 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,801 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,801 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,802 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,803 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,804 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,804 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,805 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,805 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,813 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,813 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,815 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,815 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,815 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,815 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,816 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,816 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,816 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,816 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,816 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,818 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,818 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,819 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,823 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,845 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,859 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,859 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,862 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,862 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:09,875 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 10:51:09,891 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 10:51:09,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 10:51:09,912 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 10:51:09,912 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 10:51:09,912 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 10:51:09,912 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 10:51:09,912 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 10:51:09,912 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 10:51:09,913 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 10:51:09,928 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 10:51:09,931 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-16 10:51:09,934 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-16 10:51:09,936 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-16 10:51:10,005 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-16 10:51:10,006 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 10:51:10,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-16 10:51:10,028 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-16 10:51:12,542 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-16 10:51:13,572 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-16 10:51:13,786 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-16 10:51:14,033 INFO L132 LiptonReduction]: Checked pairs total: 10616 [2020-10-16 10:51:14,033 INFO L134 LiptonReduction]: Total number of compositions: 130 [2020-10-16 10:51:14,040 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-16 10:51:14,086 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-16 10:51:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-16 10:51:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 10:51:14,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:14,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 10:51:14,096 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:14,102 INFO L82 PathProgramCache]: Analyzing trace with hash 475987800, now seen corresponding path program 1 times [2020-10-16 10:51:14,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:14,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936789426] [2020-10-16 10:51:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:14,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936789426] [2020-10-16 10:51:14,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:14,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:51:14,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102482935] [2020-10-16 10:51:14,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:14,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:14,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,361 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-16 10:51:14,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:14,441 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-16 10:51:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:14,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 10:51:14,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:14,464 INFO L225 Difference]: With dead ends: 602 [2020-10-16 10:51:14,464 INFO L226 Difference]: Without dead ends: 580 [2020-10-16 10:51:14,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-16 10:51:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-16 10:51:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-16 10:51:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-16 10:51:14,557 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-16 10:51:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:14,558 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-16 10:51:14,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-16 10:51:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 10:51:14,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:14,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:14,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 10:51:14,560 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:14,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:14,561 INFO L82 PathProgramCache]: Analyzing trace with hash 307066949, now seen corresponding path program 1 times [2020-10-16 10:51:14,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:14,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075021626] [2020-10-16 10:51:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:14,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075021626] [2020-10-16 10:51:14,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:14,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:51:14,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846372586] [2020-10-16 10:51:14,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:14,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:14,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:14,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,642 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-16 10:51:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:14,666 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-16 10:51:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:14,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 10:51:14,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:14,675 INFO L225 Difference]: With dead ends: 530 [2020-10-16 10:51:14,675 INFO L226 Difference]: Without dead ends: 508 [2020-10-16 10:51:14,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-16 10:51:14,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-16 10:51:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-16 10:51:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-16 10:51:14,709 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-16 10:51:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:14,710 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-16 10:51:14,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-16 10:51:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 10:51:14,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:14,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:14,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 10:51:14,712 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:14,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:14,712 INFO L82 PathProgramCache]: Analyzing trace with hash -941555270, now seen corresponding path program 1 times [2020-10-16 10:51:14,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:14,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622872971] [2020-10-16 10:51:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:14,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622872971] [2020-10-16 10:51:14,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:14,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:51:14,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583913488] [2020-10-16 10:51:14,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:14,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:14,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:14,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,789 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-16 10:51:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:14,810 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-16 10:51:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:14,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 10:51:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:14,818 INFO L225 Difference]: With dead ends: 504 [2020-10-16 10:51:14,818 INFO L226 Difference]: Without dead ends: 504 [2020-10-16 10:51:14,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-16 10:51:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-16 10:51:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-16 10:51:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-16 10:51:14,844 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-16 10:51:14,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:14,844 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-16 10:51:14,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-16 10:51:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 10:51:14,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:14,846 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:14,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 10:51:14,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:14,847 INFO L82 PathProgramCache]: Analyzing trace with hash 184198130, now seen corresponding path program 1 times [2020-10-16 10:51:14,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:14,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030706926] [2020-10-16 10:51:14,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:14,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:14,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030706926] [2020-10-16 10:51:14,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405178796] [2020-10-16 10:51:14,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:15,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-16 10:51:15,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:15,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:15,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-16 10:51:15,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904362138] [2020-10-16 10:51:15,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 10:51:15,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:15,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 10:51:15,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-16 10:51:15,076 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-16 10:51:15,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:15,170 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-16 10:51:15,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 10:51:15,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 10:51:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:15,177 INFO L225 Difference]: With dead ends: 940 [2020-10-16 10:51:15,177 INFO L226 Difference]: Without dead ends: 940 [2020-10-16 10:51:15,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 10:51:15,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-16 10:51:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-16 10:51:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-16 10:51:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-16 10:51:15,204 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-16 10:51:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:15,204 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-16 10:51:15,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 10:51:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-16 10:51:15,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 10:51:15,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:15,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:15,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:15,421 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:15,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:15,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1859541019, now seen corresponding path program 1 times [2020-10-16 10:51:15,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:15,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066252267] [2020-10-16 10:51:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:15,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066252267] [2020-10-16 10:51:15,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:15,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 10:51:15,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970430790] [2020-10-16 10:51:15,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 10:51:15,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:15,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 10:51:15,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 10:51:15,523 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-16 10:51:15,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:15,574 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-16 10:51:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 10:51:15,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 10:51:15,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:15,577 INFO L225 Difference]: With dead ends: 343 [2020-10-16 10:51:15,577 INFO L226 Difference]: Without dead ends: 339 [2020-10-16 10:51:15,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 10:51:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-16 10:51:15,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-16 10:51:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-16 10:51:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-16 10:51:15,588 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-16 10:51:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:15,588 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-16 10:51:15,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 10:51:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-16 10:51:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 10:51:15,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:15,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:15,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 10:51:15,590 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:15,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:15,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1794318204, now seen corresponding path program 1 times [2020-10-16 10:51:15,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:15,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112988943] [2020-10-16 10:51:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:15,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112988943] [2020-10-16 10:51:15,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:15,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 10:51:15,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050514884] [2020-10-16 10:51:15,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 10:51:15,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:15,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 10:51:15,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 10:51:15,654 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-16 10:51:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:15,721 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-16 10:51:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 10:51:15,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 10:51:15,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:15,724 INFO L225 Difference]: With dead ends: 473 [2020-10-16 10:51:15,725 INFO L226 Difference]: Without dead ends: 473 [2020-10-16 10:51:15,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 10:51:15,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-16 10:51:15,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-16 10:51:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-16 10:51:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-16 10:51:15,736 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-16 10:51:15,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:15,737 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-16 10:51:15,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 10:51:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-16 10:51:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 10:51:15,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:15,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:15,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 10:51:15,738 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:15,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1963207549, now seen corresponding path program 1 times [2020-10-16 10:51:15,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:15,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852611979] [2020-10-16 10:51:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852611979] [2020-10-16 10:51:16,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:16,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 10:51:16,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936840568] [2020-10-16 10:51:16,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 10:51:16,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 10:51:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:16,067 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 9 states. [2020-10-16 10:51:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:16,455 INFO L93 Difference]: Finished difference Result 653 states and 1454 transitions. [2020-10-16 10:51:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 10:51:16,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 10:51:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:16,460 INFO L225 Difference]: With dead ends: 653 [2020-10-16 10:51:16,460 INFO L226 Difference]: Without dead ends: 653 [2020-10-16 10:51:16,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-16 10:51:16,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-16 10:51:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 484. [2020-10-16 10:51:16,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-16 10:51:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1129 transitions. [2020-10-16 10:51:16,475 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1129 transitions. Word has length 21 [2020-10-16 10:51:16,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:16,475 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 1129 transitions. [2020-10-16 10:51:16,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 10:51:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1129 transitions. [2020-10-16 10:51:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 10:51:16,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:16,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:16,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 10:51:16,477 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:16,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:16,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1358260699, now seen corresponding path program 2 times [2020-10-16 10:51:16,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:16,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713848824] [2020-10-16 10:51:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713848824] [2020-10-16 10:51:16,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:16,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 10:51:16,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249111225] [2020-10-16 10:51:16,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 10:51:16,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:16,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 10:51:16,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:16,727 INFO L87 Difference]: Start difference. First operand 484 states and 1129 transitions. Second operand 9 states. [2020-10-16 10:51:17,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:17,105 INFO L93 Difference]: Finished difference Result 779 states and 1769 transitions. [2020-10-16 10:51:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 10:51:17,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 10:51:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:17,111 INFO L225 Difference]: With dead ends: 779 [2020-10-16 10:51:17,112 INFO L226 Difference]: Without dead ends: 779 [2020-10-16 10:51:17,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-16 10:51:17,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-16 10:51:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 470. [2020-10-16 10:51:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-16 10:51:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1092 transitions. [2020-10-16 10:51:17,138 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1092 transitions. Word has length 21 [2020-10-16 10:51:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:17,138 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 1092 transitions. [2020-10-16 10:51:17,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 10:51:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1092 transitions. [2020-10-16 10:51:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 10:51:17,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:17,141 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-16 10:51:17,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 10:51:17,141 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash 920456844, now seen corresponding path program 2 times [2020-10-16 10:51:17,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:17,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311551134] [2020-10-16 10:51:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:17,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311551134] [2020-10-16 10:51:17,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723204619] [2020-10-16 10:51:17,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 10:51:17,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 10:51:17,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:17,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-16 10:51:17,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:17,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:17,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-16 10:51:17,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807924723] [2020-10-16 10:51:17,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 10:51:17,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:17,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 10:51:17,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:17,392 INFO L87 Difference]: Start difference. First operand 470 states and 1092 transitions. Second operand 9 states. [2020-10-16 10:51:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:17,488 INFO L93 Difference]: Finished difference Result 778 states and 1761 transitions. [2020-10-16 10:51:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 10:51:17,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-16 10:51:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:17,493 INFO L225 Difference]: With dead ends: 778 [2020-10-16 10:51:17,493 INFO L226 Difference]: Without dead ends: 778 [2020-10-16 10:51:17,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-16 10:51:17,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-16 10:51:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 560. [2020-10-16 10:51:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-16 10:51:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1291 transitions. [2020-10-16 10:51:17,508 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1291 transitions. Word has length 22 [2020-10-16 10:51:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:17,509 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 1291 transitions. [2020-10-16 10:51:17,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 10:51:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1291 transitions. [2020-10-16 10:51:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 10:51:17,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:17,510 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:17,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:17,726 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:17,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:17,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1348112131, now seen corresponding path program 1 times [2020-10-16 10:51:17,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:17,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716963986] [2020-10-16 10:51:17,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 10:51:17,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 10:51:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 10:51:17,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 10:51:17,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 10:51:17,806 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 10:51:17,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 10:51:17,807 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 10:51:17,807 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 10:51:17,808 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 10:51:17,814 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L3-->L977-1: Formula: (and (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In-2036891727 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= |t1Thread1of1ForFork0_push_#in~x_Out-2036891727| .cse0) .cse1) (and (not .cse1) (= |t1Thread1of1ForFork0_push_#in~x_Out-2036891727| (+ .cse0 (- 4294967296))))))) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2036891727 0)) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2036891727| t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2036891727) (= |~#arr~0.base_In-2036891727| |t1Thread1of1ForFork0_push_#in~stack.base_Out-2036891727|) (= |~#arr~0.offset_In-2036891727| |t1Thread1of1ForFork0_push_#in~stack.offset_Out-2036891727|)) InVars {~#arr~0.offset=|~#arr~0.offset_In-2036891727|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-2036891727, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2036891727|, ~#arr~0.base=|~#arr~0.base_In-2036891727|} OutVars{~#arr~0.offset=|~#arr~0.offset_In-2036891727|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out-2036891727|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2036891727, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out-2036891727|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-2036891727, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out-2036891727|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2036891727|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out-2036891727|, ~#arr~0.base=|~#arr~0.base_In-2036891727|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-16 10:51:17,818 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [559] [559] L977-2-->L980: Formula: (and (<= |t1Thread1of1ForFork0_#t~ret44_In217210396| 2147483647) (= ~flag~0_Out217210396 1) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In217210396| 2147483648)) (not (= |t1Thread1of1ForFork0_#t~ret44_In217210396| (- 1)))) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In217210396|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out217210396|, ~flag~0=~flag~0_Out217210396} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-16 10:51:17,822 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [570] [570] L992-4-->L987-6: Formula: (and (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In1875760178|)) (= (store |#pthreadsMutex_In1875760178| |~#m~0.base_In1875760178| (store (select |#pthreadsMutex_In1875760178| |~#m~0.base_In1875760178|) |~#m~0.offset_In1875760178| 0)) |#pthreadsMutex_Out1875760178|) (= t2Thread1of1ForFork1_~i~1_Out1875760178 (+ t2Thread1of1ForFork1_~i~1_In1875760178 1))) InVars {#pthreadsMutex=|#pthreadsMutex_In1875760178|, ~#m~0.base=|~#m~0.base_In1875760178|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In1875760178|, ~#m~0.offset=|~#m~0.offset_In1875760178|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1875760178} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1875760178|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out1875760178|, ~#m~0.base=|~#m~0.base_In1875760178|, ~#m~0.offset=|~#m~0.offset_In1875760178|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out1875760178|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1875760178} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-16 10:51:17,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:51:17 BasicIcfg [2020-10-16 10:51:17,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 10:51:17,877 INFO L168 Benchmark]: Toolchain (without parser) took 9707.19 ms. Allocated memory was 141.6 MB in the beginning and 304.6 MB in the end (delta: 163.1 MB). Free memory was 101.7 MB in the beginning and 199.3 MB in the end (delta: -97.6 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,877 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 10:51:17,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.35 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 134.4 MB in the end (delta: -32.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.89 ms. Allocated memory is still 204.5 MB. Free memory was 134.4 MB in the beginning and 131.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,884 INFO L168 Benchmark]: Boogie Preprocessor took 32.52 ms. Allocated memory is still 204.5 MB. Free memory was 131.9 MB in the beginning and 130.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,884 INFO L168 Benchmark]: RCFGBuilder took 542.65 ms. Allocated memory is still 204.5 MB. Free memory was 129.4 MB in the beginning and 96.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,887 INFO L168 Benchmark]: TraceAbstraction took 8144.80 ms. Allocated memory was 233.8 MB in the beginning and 304.6 MB in the end (delta: 70.8 MB). Free memory was 205.3 MB in the beginning and 199.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:17,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 858.35 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 134.4 MB in the end (delta: -32.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 101.89 ms. Allocated memory is still 204.5 MB. Free memory was 134.4 MB in the beginning and 131.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.52 ms. Allocated memory is still 204.5 MB. Free memory was 131.9 MB in the beginning and 130.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 542.65 ms. Allocated memory is still 204.5 MB. Free memory was 129.4 MB in the beginning and 96.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8144.80 ms. Allocated memory was 233.8 MB in the beginning and 304.6 MB in the end (delta: 70.8 MB). Free memory was 205.3 MB in the beginning and 199.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4733 VarBasedMoverChecksPositive, 77 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 360 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 140 PlacesBefore, 40 PlacesAfterwards, 145 TransitionsBefore, 40 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 130 TotalNumberOfCompositions, 10616 MoverChecksTotal - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={5:0}, flag=1, m={9:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={5:0}, flag=1, m={9:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={5:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 409 SDtfs, 524 SDslu, 939 SDs, 0 SdLazy, 507 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1289 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 28716 SizeOfPredicates, 5 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...