/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 15:47:32,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 15:47:32,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 15:47:32,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 15:47:32,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 15:47:32,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 15:47:32,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 15:47:32,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 15:47:32,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 15:47:32,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 15:47:32,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 15:47:32,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 15:47:32,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 15:47:32,127 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 15:47:32,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 15:47:32,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 15:47:32,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 15:47:32,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 15:47:32,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 15:47:32,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 15:47:32,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 15:47:32,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 15:47:32,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 15:47:32,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 15:47:32,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 15:47:32,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 15:47:32,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 15:47:32,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 15:47:32,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 15:47:32,131 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 15:47:32,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 15:47:32,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 15:47:32,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 15:47:32,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 15:47:32,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 15:47:32,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 15:47:32,348 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 15:47:32,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i [2022-03-03 15:47:32,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3210590/07bdc33a994f442fa4643c433876c2cf/FLAG1873bb1df [2022-03-03 15:47:32,819 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 15:47:32,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i [2022-03-03 15:47:32,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3210590/07bdc33a994f442fa4643c433876c2cf/FLAG1873bb1df [2022-03-03 15:47:32,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3210590/07bdc33a994f442fa4643c433876c2cf [2022-03-03 15:47:32,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 15:47:32,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 15:47:32,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 15:47:32,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 15:47:32,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 15:47:32,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:47:32" (1/1) ... [2022-03-03 15:47:32,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cb177b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:32, skipping insertion in model container [2022-03-03 15:47:32,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:47:32" (1/1) ... [2022-03-03 15:47:32,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 15:47:32,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 15:47:33,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30819,30832] [2022-03-03 15:47:33,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 15:47:33,239 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 15:47:33,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30819,30832] [2022-03-03 15:47:33,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 15:47:33,285 INFO L208 MainTranslator]: Completed translation [2022-03-03 15:47:33,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33 WrapperNode [2022-03-03 15:47:33,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 15:47:33,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 15:47:33,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 15:47:33,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 15:47:33,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,313 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-03-03 15:47:33,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 15:47:33,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 15:47:33,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 15:47:33,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 15:47:33,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 15:47:33,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 15:47:33,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 15:47:33,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 15:47:33,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (1/1) ... [2022-03-03 15:47:33,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 15:47:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 15:47:33,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 15:47:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 15:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-03-03 15:47:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-03-03 15:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-03-03 15:47:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-03-03 15:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 15:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 15:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 15:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 15:47:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 15:47:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 15:47:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 15:47:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 15:47:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 15:47:33,425 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 15:47:33,530 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 15:47:33,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 15:47:33,656 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 15:47:33,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 15:47:33,660 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-03 15:47:33,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 03:47:33 BoogieIcfgContainer [2022-03-03 15:47:33,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 15:47:33,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 15:47:33,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 15:47:33,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 15:47:33,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 03:47:32" (1/3) ... [2022-03-03 15:47:33,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff8384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:47:33, skipping insertion in model container [2022-03-03 15:47:33,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:47:33" (2/3) ... [2022-03-03 15:47:33,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff8384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:47:33, skipping insertion in model container [2022-03-03 15:47:33,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 03:47:33" (3/3) ... [2022-03-03 15:47:33,667 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i [2022-03-03 15:47:33,671 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 15:47:33,671 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 15:47:33,671 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 15:47:33,671 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 15:47:33,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,691 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,691 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,708 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,709 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,709 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,709 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,709 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,709 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,710 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,710 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,710 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,710 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,710 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,713 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,713 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,715 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,715 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,716 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,716 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,716 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 15:47:33,716 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 15:47:33,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 15:47:33,759 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 15:47:33,759 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-03 15:47:33,771 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 202 flow [2022-03-03 15:47:33,889 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2292 states, 2291 states have (on average 3.185508511567001) internal successors, (7298), 2291 states have internal predecessors, (7298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 2292 states, 2291 states have (on average 3.185508511567001) internal successors, (7298), 2291 states have internal predecessors, (7298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-03 15:47:33,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:33,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:33,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:33,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2022-03-03 15:47:33,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:33,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489462166] [2022-03-03 15:47:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:34,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:34,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489462166] [2022-03-03 15:47:34,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489462166] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 15:47:34,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 15:47:34,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 15:47:34,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048082967] [2022-03-03 15:47:34,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 15:47:34,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 15:47:34,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:47:34,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 15:47:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 15:47:34,204 INFO L87 Difference]: Start difference. First operand has 2292 states, 2291 states have (on average 3.185508511567001) internal successors, (7298), 2291 states have internal predecessors, (7298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 15:47:34,246 INFO L93 Difference]: Finished difference Result 2292 states and 6752 transitions. [2022-03-03 15:47:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 15:47:34,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-03-03 15:47:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 15:47:34,280 INFO L225 Difference]: With dead ends: 2292 [2022-03-03 15:47:34,281 INFO L226 Difference]: Without dead ends: 2292 [2022-03-03 15:47:34,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 15:47:34,284 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 15:47:34,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 15:47:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2022-03-03 15:47:34,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2022-03-03 15:47:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 2291 states have (on average 2.947184635530336) internal successors, (6752), 2291 states have internal predecessors, (6752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 6752 transitions. [2022-03-03 15:47:34,415 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 6752 transitions. Word has length 53 [2022-03-03 15:47:34,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 15:47:34,421 INFO L470 AbstractCegarLoop]: Abstraction has 2292 states and 6752 transitions. [2022-03-03 15:47:34,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 6752 transitions. [2022-03-03 15:47:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-03 15:47:34,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:34,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:34,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 15:47:34,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:34,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2022-03-03 15:47:34,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:34,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46119666] [2022-03-03 15:47:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:34,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:34,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:34,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46119666] [2022-03-03 15:47:34,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46119666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 15:47:34,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 15:47:34,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 15:47:34,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782459760] [2022-03-03 15:47:34,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 15:47:34,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 15:47:34,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:47:34,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 15:47:34,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 15:47:34,505 INFO L87 Difference]: Start difference. First operand 2292 states and 6752 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 15:47:34,555 INFO L93 Difference]: Finished difference Result 2892 states and 8552 transitions. [2022-03-03 15:47:34,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 15:47:34,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-03-03 15:47:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 15:47:34,568 INFO L225 Difference]: With dead ends: 2892 [2022-03-03 15:47:34,568 INFO L226 Difference]: Without dead ends: 2892 [2022-03-03 15:47:34,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 15:47:34,570 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 51 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 15:47:34,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 124 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 15:47:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2022-03-03 15:47:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2392. [2022-03-03 15:47:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2391 states have (on average 2.949393559180259) internal successors, (7052), 2391 states have internal predecessors, (7052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 7052 transitions. [2022-03-03 15:47:34,701 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 7052 transitions. Word has length 53 [2022-03-03 15:47:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 15:47:34,702 INFO L470 AbstractCegarLoop]: Abstraction has 2392 states and 7052 transitions. [2022-03-03 15:47:34,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 7052 transitions. [2022-03-03 15:47:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-03 15:47:34,721 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:34,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:34,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 15:47:34,721 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:34,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2022-03-03 15:47:34,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:34,722 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987317675] [2022-03-03 15:47:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:34,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:34,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987317675] [2022-03-03 15:47:34,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987317675] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 15:47:34,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869210168] [2022-03-03 15:47:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:34,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 15:47:34,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 15:47:34,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 15:47:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:34,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 15:47:34,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 15:47:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:35,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 15:47:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:35,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869210168] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 15:47:35,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 15:47:35,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-03 15:47:35,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394085399] [2022-03-03 15:47:35,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 15:47:35,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 15:47:35,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:47:35,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 15:47:35,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 15:47:35,133 INFO L87 Difference]: Start difference. First operand 2392 states and 7052 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:35,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 15:47:35,205 INFO L93 Difference]: Finished difference Result 3792 states and 11252 transitions. [2022-03-03 15:47:35,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 15:47:35,206 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-03-03 15:47:35,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 15:47:35,222 INFO L225 Difference]: With dead ends: 3792 [2022-03-03 15:47:35,222 INFO L226 Difference]: Without dead ends: 3792 [2022-03-03 15:47:35,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-03 15:47:35,223 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 352 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 15:47:35,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 402 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 15:47:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3792 states. [2022-03-03 15:47:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3792 to 3792. [2022-03-03 15:47:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3792 states, 3791 states have (on average 2.9680823001846477) internal successors, (11252), 3791 states have internal predecessors, (11252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 11252 transitions. [2022-03-03 15:47:35,314 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 11252 transitions. Word has length 60 [2022-03-03 15:47:35,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 15:47:35,314 INFO L470 AbstractCegarLoop]: Abstraction has 3792 states and 11252 transitions. [2022-03-03 15:47:35,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 11252 transitions. [2022-03-03 15:47:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-03 15:47:35,321 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:35,321 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:35,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-03 15:47:35,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:35,536 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2022-03-03 15:47:35,537 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:35,537 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712033038] [2022-03-03 15:47:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:35,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:35,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712033038] [2022-03-03 15:47:35,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712033038] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 15:47:35,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905274538] [2022-03-03 15:47:35,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 15:47:35,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:35,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 15:47:35,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 15:47:35,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 15:47:35,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 15:47:35,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 15:47:35,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 15:47:35,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 15:47:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:35,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 15:47:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:35,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905274538] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 15:47:35,930 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 15:47:35,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-03 15:47:35,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205426732] [2022-03-03 15:47:35,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 15:47:35,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 15:47:35,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:47:35,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 15:47:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-03 15:47:35,931 INFO L87 Difference]: Start difference. First operand 3792 states and 11252 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 15:47:36,120 INFO L93 Difference]: Finished difference Result 6592 states and 19652 transitions. [2022-03-03 15:47:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 15:47:36,120 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-03-03 15:47:36,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 15:47:36,162 INFO L225 Difference]: With dead ends: 6592 [2022-03-03 15:47:36,162 INFO L226 Difference]: Without dead ends: 6592 [2022-03-03 15:47:36,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-03 15:47:36,164 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 1142 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 15:47:36,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 626 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 15:47:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6592 states. [2022-03-03 15:47:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6592 to 6592. [2022-03-03 15:47:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6592 states, 6591 states have (on average 2.9816416325292066) internal successors, (19652), 6591 states have internal predecessors, (19652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6592 states to 6592 states and 19652 transitions. [2022-03-03 15:47:36,374 INFO L78 Accepts]: Start accepts. Automaton has 6592 states and 19652 transitions. Word has length 74 [2022-03-03 15:47:36,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 15:47:36,375 INFO L470 AbstractCegarLoop]: Abstraction has 6592 states and 19652 transitions. [2022-03-03 15:47:36,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 6592 states and 19652 transitions. [2022-03-03 15:47:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-03-03 15:47:36,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:36,387 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:36,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 15:47:36,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-03 15:47:36,603 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2022-03-03 15:47:36,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:36,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287062918] [2022-03-03 15:47:36,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:36,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:36,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287062918] [2022-03-03 15:47:36,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287062918] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 15:47:36,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060921308] [2022-03-03 15:47:36,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 15:47:36,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:36,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 15:47:36,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 15:47:36,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 15:47:36,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-03 15:47:36,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 15:47:36,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-03 15:47:36,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 15:47:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:36,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 15:47:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:37,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060921308] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 15:47:37,216 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 15:47:37,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2022-03-03 15:47:37,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775931117] [2022-03-03 15:47:37,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 15:47:37,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 15:47:37,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:47:37,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 15:47:37,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2022-03-03 15:47:37,218 INFO L87 Difference]: Start difference. First operand 6592 states and 19652 transitions. Second operand has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 27 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:37,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 15:47:37,615 INFO L93 Difference]: Finished difference Result 10092 states and 30152 transitions. [2022-03-03 15:47:37,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 15:47:37,615 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 27 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-03-03 15:47:37,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 15:47:37,640 INFO L225 Difference]: With dead ends: 10092 [2022-03-03 15:47:37,640 INFO L226 Difference]: Without dead ends: 10092 [2022-03-03 15:47:37,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=748, Invalid=1604, Unknown=0, NotChecked=0, Total=2352 [2022-03-03 15:47:37,641 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 2012 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 15:47:37,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2012 Valid, 968 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 15:47:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10092 states. [2022-03-03 15:47:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10092 to 10092. [2022-03-03 15:47:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10092 states, 10091 states have (on average 2.9880091170349816) internal successors, (30152), 10091 states have internal predecessors, (30152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 10092 states and 30152 transitions. [2022-03-03 15:47:37,910 INFO L78 Accepts]: Start accepts. Automaton has 10092 states and 30152 transitions. Word has length 102 [2022-03-03 15:47:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 15:47:37,910 INFO L470 AbstractCegarLoop]: Abstraction has 10092 states and 30152 transitions. [2022-03-03 15:47:37,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 27 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:47:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 10092 states and 30152 transitions. [2022-03-03 15:47:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-03 15:47:37,931 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 15:47:37,931 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 15:47:37,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-03 15:47:38,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:38,148 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 15:47:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 15:47:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1938020081, now seen corresponding path program 4 times [2022-03-03 15:47:38,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 15:47:38,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9109912] [2022-03-03 15:47:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 15:47:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 15:47:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 15:47:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:39,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 15:47:39,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9109912] [2022-03-03 15:47:39,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9109912] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 15:47:39,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818519437] [2022-03-03 15:47:39,080 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 15:47:39,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:47:39,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 15:47:39,081 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 15:47:39,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 15:47:39,145 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 15:47:39,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 15:47:39,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-03 15:47:39,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 15:47:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:47:41,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 15:52:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 472 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 15:52:55,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818519437] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 15:52:55,954 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 15:52:55,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 121 [2022-03-03 15:52:55,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604324260] [2022-03-03 15:52:55,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 15:52:55,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-03-03 15:52:55,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 15:52:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-03-03 15:52:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=13501, Unknown=73, NotChecked=0, Total=14520 [2022-03-03 15:52:55,960 INFO L87 Difference]: Start difference. First operand 10092 states and 30152 transitions. Second operand has 121 states, 121 states have (on average 3.15702479338843) internal successors, (382), 121 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 15:57:06,761 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~next~0 1)) (.cse2 (* (- 1) c_~i~0)) (.cse1 (+ (* 2 c_~next~0) 4 c_~cur~0)) (.cse0 (* (- 1) c_~j~0)) (.cse4 (+ 2 c_~next~0 c_~cur~0)) (.cse5 (+ c_~next~0 c_~cur~0))) (and (= (+ (- 1) c_~i~0) 0) (<= (div (+ (- 9) .cse0 c_~next~0 c_~cur~0) (- 2)) .cse1) (<= (div (+ (- 3) .cse2 c_~cur~0) (- 2)) .cse3) (<= (div (+ .cse2 c_~next~0 (- 5)) (- 2)) .cse4) (< c_~j~0 .cse5) (= (+ (- 1) c_~j~0) 0) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 c_~j~0 9) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (>= aux_mod_v_~next~0_20_56 2) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56))) (<= 1 c_~next~0) (<= (div (+ (- 3) .cse0 c_~cur~0) (- 2)) .cse3) (<= (div (+ (- 9) .cse2 c_~next~0 c_~cur~0) (- 2)) .cse1) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse6 (* 2 v_~cur~0_26))) (or (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ .cse6 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_div_v_~cur~0_22_51 (+ .cse6 c_~next~0 1)) (>= aux_mod_v_~cur~0_22_51 2) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (>= aux_mod_v_~next~0_20_56 2) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (> 0 aux_mod_v_~next~0_20_56)))) (<= (div (+ .cse0 c_~next~0 (- 5)) (- 2)) .cse4) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (>= aux_mod_v_~next~0_20_56 2) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~next~0_20_56))) (forall ((v_~cur~0_22 Int)) (or (not (<= c_~next~0 v_~cur~0_22)) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 c_~j~0 9) (+ (* 2 v_~cur~0_22) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (>= aux_mod_v_~next~0_20_56 2) (> 0 aux_mod_v_~next~0_20_56))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~next~0_20_56)))))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (>= aux_mod_v_~cur~0_22_51 2) (>= aux_mod_v_~next~0_20_56 2) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (> 0 aux_mod_v_~cur~0_22_51) (< v_~prev~0_24 c_~next~0) (> 0 aux_mod_v_~next~0_20_56))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (>= aux_mod_v_~cur~0_22_51 2) (>= aux_mod_v_~next~0_20_56 2) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (< v_~prev~0_24 c_~next~0) (> 0 aux_mod_v_~next~0_20_56))) (= (+ (- 1) c_~prev~0) 0) (forall ((v_~prev~0_24 Int)) (or (not (<= c_~cur~0 v_~prev~0_24)) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (>= aux_mod_v_~cur~0_22_51 2) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (> 0 aux_mod_v_~next~0_20_56))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (>= aux_mod_v_~cur~0_22_51 2) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (> 0 aux_mod_v_~next~0_20_56)))))) (forall ((v_~cur~0_26 Int)) (or (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse7 (* 2 v_~cur~0_26))) (or (< v_~prev~0_24 (+ v_~cur~0_26 c_~cur~0)) (>= aux_mod_v_~cur~0_22_51 2) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ .cse7 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse7 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse8 (* 2 v_~cur~0_26))) (or (< v_~prev~0_24 (+ v_~cur~0_26 c_~cur~0)) (>= aux_mod_v_~cur~0_22_51 2) (>= aux_mod_v_~next~0_20_56 2) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ .cse8 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse8 1 c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56))))) (not (<= c_~next~0 v_~cur~0_26)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse9 (* 2 v_~cur~0_26))) (or (< aux_div_v_~cur~0_22_51 (+ .cse9 c_~next~0 1)) (>= aux_mod_v_~cur~0_22_51 2) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (>= aux_mod_v_~next~0_20_56 2) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ .cse9 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (> 0 aux_mod_v_~next~0_20_56)))) (< c_~i~0 .cse5) (<= 1 c_~cur~0))) is different from false [2022-03-03 15:57:18,340 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-03-03 15:57:18,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-03-03 15:57:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 15:57:18,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 194 SyntacticMatches, 7 SemanticMatches, 127 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4575 ImplicationChecksByTransitivity, 484.8s TimeCoverageRelationStatistics Valid=1164, Invalid=15022, Unknown=74, NotChecked=252, Total=16512 [2022-03-03 15:57:18,344 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 1131 mSDsluCounter, 4029 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 240 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 15:57:18,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1131 Valid, 3991 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 509 Invalid, 0 Unknown, 240 Unchecked, 0.6s Time] [2022-03-03 15:57:18,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-03 15:57:18,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 15:57:18,546 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 50 more [2022-03-03 15:57:18,549 INFO L158 Benchmark]: Toolchain (without parser) took 585701.38ms. Allocated memory was 210.8MB in the beginning and 727.7MB in the end (delta: 516.9MB). Free memory was 185.5MB in the beginning and 473.6MB in the end (delta: -288.1MB). Peak memory consumption was 228.5MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,549 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 174.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 15:57:18,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.83ms. Allocated memory is still 210.8MB. Free memory was 185.3MB in the beginning and 175.8MB in the end (delta: 9.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.22ms. Allocated memory is still 210.8MB. Free memory was 175.8MB in the beginning and 173.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,550 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 210.8MB. Free memory was 173.8MB in the beginning and 172.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,550 INFO L158 Benchmark]: RCFGBuilder took 330.45ms. Allocated memory is still 210.8MB. Free memory was 172.3MB in the beginning and 159.4MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,550 INFO L158 Benchmark]: TraceAbstraction took 584885.50ms. Allocated memory was 210.8MB in the beginning and 727.7MB in the end (delta: 516.9MB). Free memory was 159.1MB in the beginning and 473.6MB in the end (delta: -314.4MB). Peak memory consumption was 202.6MB. Max. memory is 8.0GB. [2022-03-03 15:57:18,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 174.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 436.83ms. Allocated memory is still 210.8MB. Free memory was 185.3MB in the beginning and 175.8MB in the end (delta: 9.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.22ms. Allocated memory is still 210.8MB. Free memory was 175.8MB in the beginning and 173.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 210.8MB. Free memory was 173.8MB in the beginning and 172.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 330.45ms. Allocated memory is still 210.8MB. Free memory was 172.3MB in the beginning and 159.4MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 584885.50ms. Allocated memory was 210.8MB in the beginning and 727.7MB in the end (delta: 516.9MB). Free memory was 159.1MB in the beginning and 473.6MB in the end (delta: -314.4MB). Peak memory consumption was 202.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...