/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-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-08 23:22:06,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-08 23:22:06,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-08 23:22:06,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-08 23:22:06,475 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 [2022-02-08 23:22:06,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-08 23:22:06,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-08 23:22:06,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-08 23:22:06,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-08 23:22:06,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-08 23:22:06,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-08 23:22:06,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * Use SBE=true [2022-02-08 23:22:06,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-08 23:22:06,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-08 23:22:06,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-08 23:22:06,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-08 23:22:06,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-08 23:22:06,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-08 23:22:06,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-08 23:22:06,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-08 23:22:06,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-08 23:22:06,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-08 23:22:06,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-08 23:22:06,739 INFO L275 PluginConnector]: CDTParser initialized [2022-02-08 23:22:06,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-12.i [2022-02-08 23:22:06,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e366d4536/4badd2c27cc5403fb96c37c6846d3801/FLAG1afb0551c [2022-02-08 23:22:07,191 INFO L306 CDTParser]: Found 1 translation units. [2022-02-08 23:22:07,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-12.i [2022-02-08 23:22:07,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e366d4536/4badd2c27cc5403fb96c37c6846d3801/FLAG1afb0551c [2022-02-08 23:22:07,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e366d4536/4badd2c27cc5403fb96c37c6846d3801 [2022-02-08 23:22:07,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-08 23:22:07,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-08 23:22:07,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-08 23:22:07,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-08 23:22:07,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-08 23:22:07,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518639e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07, skipping insertion in model container [2022-02-08 23:22:07,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-08 23:22:07,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-08 23:22:07,465 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-12.i[30813,30826] [2022-02-08 23:22:07,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-08 23:22:07,475 INFO L203 MainTranslator]: Completed pre-run [2022-02-08 23:22:07,526 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-12.i[30813,30826] [2022-02-08 23:22:07,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-08 23:22:07,552 INFO L208 MainTranslator]: Completed translation [2022-02-08 23:22:07,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07 WrapperNode [2022-02-08 23:22:07,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-08 23:22:07,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-08 23:22:07,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-08 23:22:07,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-08 23:22:07,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,595 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-02-08 23:22:07,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-08 23:22:07,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-08 23:22:07,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-08 23:22:07,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-08 23:22:07,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-08 23:22:07,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-08 23:22:07,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-08 23:22:07,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-08 23:22:07,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (1/1) ... [2022-02-08 23:22:07,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-08 23:22:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:22:07,653 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) [2022-02-08 23:22:07,659 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 [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-02-08 23:22:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-02-08 23:22:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-08 23:22:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-08 23:22:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-08 23:22:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-08 23:22:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-08 23:22:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-08 23:22:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-08 23:22:07,691 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-08 23:22:07,814 INFO L234 CfgBuilder]: Building ICFG [2022-02-08 23:22:07,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-08 23:22:08,010 INFO L275 CfgBuilder]: Performing block encoding [2022-02-08 23:22:08,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-08 23:22:08,015 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-08 23:22:08,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.02 11:22:08 BoogieIcfgContainer [2022-02-08 23:22:08,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-08 23:22:08,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-08 23:22:08,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-08 23:22:08,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-08 23:22:08,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 11:22:07" (1/3) ... [2022-02-08 23:22:08,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4d3af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:22:08, skipping insertion in model container [2022-02-08 23:22:08,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:22:07" (2/3) ... [2022-02-08 23:22:08,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4d3af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:22:08, skipping insertion in model container [2022-02-08 23:22:08,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.02 11:22:08" (3/3) ... [2022-02-08 23:22:08,028 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-12.i [2022-02-08 23:22:08,032 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-08 23:22:08,032 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-08 23:22:08,032 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-08 23:22:08,032 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-08 23:22:08,074 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,074 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,074 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,074 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,075 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,075 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,075 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,075 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,081 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,081 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,081 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,081 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,081 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,082 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,082 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,082 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,082 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,083 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,083 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,084 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,084 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,085 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,086 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,086 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,086 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,086 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,087 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,110 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,111 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,111 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,111 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,111 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:22:08,111 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-08 23:22:08,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-08 23:22:08,148 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 [2022-02-08 23:22:08,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-08 23:22:08,155 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 202 flow [2022-02-08 23:22:08,267 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) [2022-02-08 23:22:08,274 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) [2022-02-08 23:22:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-08 23:22:08,301 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:08,303 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] [2022-02-08 23:22:08,303 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2022-02-08 23:22:08,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:08,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551467566] [2022-02-08 23:22:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:08,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:08,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:08,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551467566] [2022-02-08 23:22:08,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551467566] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:22:08,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:22:08,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-08 23:22:08,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31022045] [2022-02-08 23:22:08,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:22:08,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-08 23:22:08,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:22:08,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-08 23:22:08,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-08 23:22:08,555 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) [2022-02-08 23:22:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:22:08,647 INFO L93 Difference]: Finished difference Result 2292 states and 6752 transitions. [2022-02-08 23:22:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-08 23:22:08,649 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 [2022-02-08 23:22:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:22:08,682 INFO L225 Difference]: With dead ends: 2292 [2022-02-08 23:22:08,682 INFO L226 Difference]: Without dead ends: 2292 [2022-02-08 23:22:08,683 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 [2022-02-08 23:22:08,700 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 [2022-02-08 23:22:08,701 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] [2022-02-08 23:22:08,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2022-02-08 23:22:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2022-02-08 23:22:08,848 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) [2022-02-08 23:22:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 6752 transitions. [2022-02-08 23:22:08,862 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 6752 transitions. Word has length 53 [2022-02-08 23:22:08,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:22:08,866 INFO L470 AbstractCegarLoop]: Abstraction has 2292 states and 6752 transitions. [2022-02-08 23:22:08,866 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) [2022-02-08 23:22:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 6752 transitions. [2022-02-08 23:22:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-08 23:22:08,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:08,871 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] [2022-02-08 23:22:08,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-08 23:22:08,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:08,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:08,875 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2022-02-08 23:22:08,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:08,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129240249] [2022-02-08 23:22:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:08,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:08,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:08,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129240249] [2022-02-08 23:22:08,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129240249] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:22:08,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:22:08,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-08 23:22:08,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207456481] [2022-02-08 23:22:08,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:22:08,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-08 23:22:08,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:22:08,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-08 23:22:08,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-08 23:22:08,988 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) [2022-02-08 23:22:09,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:22:09,039 INFO L93 Difference]: Finished difference Result 2892 states and 8552 transitions. [2022-02-08 23:22:09,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-08 23:22:09,040 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 [2022-02-08 23:22:09,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:22:09,052 INFO L225 Difference]: With dead ends: 2892 [2022-02-08 23:22:09,052 INFO L226 Difference]: Without dead ends: 2892 [2022-02-08 23:22:09,055 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 [2022-02-08 23:22:09,056 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 [2022-02-08 23:22:09,056 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] [2022-02-08 23:22:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2022-02-08 23:22:09,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2392. [2022-02-08 23:22:09,104 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) [2022-02-08 23:22:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 7052 transitions. [2022-02-08 23:22:09,113 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 7052 transitions. Word has length 53 [2022-02-08 23:22:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:22:09,115 INFO L470 AbstractCegarLoop]: Abstraction has 2392 states and 7052 transitions. [2022-02-08 23:22:09,115 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) [2022-02-08 23:22:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 7052 transitions. [2022-02-08 23:22:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-08 23:22:09,121 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:09,121 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] [2022-02-08 23:22:09,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-08 23:22:09,121 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:09,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:09,122 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2022-02-08 23:22:09,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:09,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900950902] [2022-02-08 23:22:09,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:09,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:09,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:09,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900950902] [2022-02-08 23:22:09,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900950902] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-08 23:22:09,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399600088] [2022-02-08 23:22:09,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:09,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-08 23:22:09,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:22:09,216 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) [2022-02-08 23:22:09,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-08 23:22:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:09,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-08 23:22:09,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-08 23:22:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:09,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-08 23:22:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:09,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399600088] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-08 23:22:09,500 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-08 23:22:09,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-08 23:22:09,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623152107] [2022-02-08 23:22:09,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-08 23:22:09,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-08 23:22:09,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:22:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-08 23:22:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-08 23:22:09,506 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) [2022-02-08 23:22:09,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:22:09,604 INFO L93 Difference]: Finished difference Result 3792 states and 11252 transitions. [2022-02-08 23:22:09,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:22:09,605 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 [2022-02-08 23:22:09,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:22:09,623 INFO L225 Difference]: With dead ends: 3792 [2022-02-08 23:22:09,623 INFO L226 Difference]: Without dead ends: 3792 [2022-02-08 23:22:09,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-08 23:22:09,626 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 [2022-02-08 23:22:09,627 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] [2022-02-08 23:22:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3792 states. [2022-02-08 23:22:09,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3792 to 3792. [2022-02-08 23:22:09,740 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) [2022-02-08 23:22:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 11252 transitions. [2022-02-08 23:22:09,755 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 11252 transitions. Word has length 60 [2022-02-08 23:22:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:22:09,757 INFO L470 AbstractCegarLoop]: Abstraction has 3792 states and 11252 transitions. [2022-02-08 23:22:09,757 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) [2022-02-08 23:22:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 11252 transitions. [2022-02-08 23:22:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-08 23:22:09,765 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:09,765 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] [2022-02-08 23:22:09,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-08 23:22:09,982 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 [2022-02-08 23:22:09,983 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:09,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:09,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2022-02-08 23:22:09,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:09,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380758048] [2022-02-08 23:22:09,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:09,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:10,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:10,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380758048] [2022-02-08 23:22:10,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380758048] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-08 23:22:10,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651520566] [2022-02-08 23:22:10,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-08 23:22:10,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-08 23:22:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:22:10,096 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) [2022-02-08 23:22:10,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-08 23:22:10,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-08 23:22:10,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-08 23:22:10,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-08 23:22:10,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-08 23:22:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:10,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-08 23:22:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:10,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651520566] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-08 23:22:10,443 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-08 23:22:10,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-08 23:22:10,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209630661] [2022-02-08 23:22:10,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-08 23:22:10,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-08 23:22:10,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:22:10,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-08 23:22:10,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-08 23:22:10,444 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) [2022-02-08 23:22:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:22:10,653 INFO L93 Difference]: Finished difference Result 6592 states and 19652 transitions. [2022-02-08 23:22:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-08 23:22:10,654 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 [2022-02-08 23:22:10,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:22:10,682 INFO L225 Difference]: With dead ends: 6592 [2022-02-08 23:22:10,682 INFO L226 Difference]: Without dead ends: 6592 [2022-02-08 23:22:10,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-08 23:22:10,683 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:22:10,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 626 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:22:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6592 states. [2022-02-08 23:22:10,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6592 to 6592. [2022-02-08 23:22:10,825 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) [2022-02-08 23:22:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6592 states to 6592 states and 19652 transitions. [2022-02-08 23:22:10,842 INFO L78 Accepts]: Start accepts. Automaton has 6592 states and 19652 transitions. Word has length 74 [2022-02-08 23:22:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:22:10,842 INFO L470 AbstractCegarLoop]: Abstraction has 6592 states and 19652 transitions. [2022-02-08 23:22:10,842 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) [2022-02-08 23:22:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6592 states and 19652 transitions. [2022-02-08 23:22:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-02-08 23:22:10,855 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:10,855 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] [2022-02-08 23:22:10,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-08 23:22:11,068 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 [2022-02-08 23:22:11,068 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:11,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:11,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2022-02-08 23:22:11,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:11,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661703100] [2022-02-08 23:22:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:11,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:11,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:11,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661703100] [2022-02-08 23:22:11,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661703100] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-08 23:22:11,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790137764] [2022-02-08 23:22:11,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-08 23:22:11,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-08 23:22:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:22:11,261 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) [2022-02-08 23:22:11,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-08 23:22:11,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-08 23:22:11,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-08 23:22:11,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-08 23:22:11,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-08 23:22:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:11,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-08 23:22:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:11,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790137764] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-08 23:22:11,860 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-08 23:22:11,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-02-08 23:22:11,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928121721] [2022-02-08 23:22:11,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-08 23:22:11,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-08 23:22:11,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:22:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-08 23:22:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-02-08 23:22:11,862 INFO L87 Difference]: Start difference. First operand 6592 states and 19652 transitions. Second operand has 34 states, 34 states have (on average 4.705882352941177) internal successors, (160), 34 states have internal predecessors, (160), 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) [2022-02-08 23:22:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:22:12,442 INFO L93 Difference]: Finished difference Result 12192 states and 36452 transitions. [2022-02-08 23:22:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-08 23:22:12,442 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.705882352941177) internal successors, (160), 34 states have internal predecessors, (160), 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 [2022-02-08 23:22:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:22:12,476 INFO L225 Difference]: With dead ends: 12192 [2022-02-08 23:22:12,477 INFO L226 Difference]: Without dead ends: 12192 [2022-02-08 23:22:12,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1192, Invalid=2590, Unknown=0, NotChecked=0, Total=3782 [2022-02-08 23:22:12,478 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 2811 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:22:12,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2811 Valid, 1197 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:22:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12192 states. [2022-02-08 23:22:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12192 to 12192. [2022-02-08 23:22:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12192 states, 12191 states have (on average 2.990074645230088) internal successors, (36452), 12191 states have internal predecessors, (36452), 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) [2022-02-08 23:22:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12192 states to 12192 states and 36452 transitions. [2022-02-08 23:22:12,902 INFO L78 Accepts]: Start accepts. Automaton has 12192 states and 36452 transitions. Word has length 102 [2022-02-08 23:22:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:22:12,903 INFO L470 AbstractCegarLoop]: Abstraction has 12192 states and 36452 transitions. [2022-02-08 23:22:12,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.705882352941177) internal successors, (160), 34 states have internal predecessors, (160), 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) [2022-02-08 23:22:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 12192 states and 36452 transitions. [2022-02-08 23:22:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-08 23:22:12,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:22:12,926 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:22:12,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-08 23:22:13,143 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 [2022-02-08 23:22:13,143 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-08 23:22:13,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:22:13,144 INFO L85 PathProgramCache]: Analyzing trace with hash 835265426, now seen corresponding path program 4 times [2022-02-08 23:22:13,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:22:13,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839354189] [2022-02-08 23:22:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:22:13,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:22:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:22:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:13,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:22:13,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839354189] [2022-02-08 23:22:13,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839354189] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-08 23:22:13,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140730369] [2022-02-08 23:22:13,627 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-08 23:22:13,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-08 23:22:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:22:13,628 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) [2022-02-08 23:22:13,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-08 23:22:13,701 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-08 23:22:13,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-08 23:22:13,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-08 23:22:13,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-08 23:22:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 572 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:22:16,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-08 23:22:28,908 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_~cur~0_22 Int)) (or (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (not (<= (+ (* 2 v_~cur~0_22) c_~prev~0 (* 2 aux_div_v_~next~0_20_56)) (+ aux_mod_v_~next~0_20_56 9 c_~i~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_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 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) (not (<= (+ (* 2 v_~cur~0_22) c_~prev~0 (* 2 aux_div_v_~next~0_20_56)) (+ aux_mod_v_~next~0_20_56 c_~j~0 9))) (> 0 aux_mod_v_~next~0_20_56)))) (not (<= c_~next~0 v_~cur~0_22)))) is different from false [2022-02-08 23:34:06,928 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_~i~0_8 Int)) (or (forall ((v_~j~0_8 Int)) (or (forall ((v_~cur~0_30 Int)) (or (and (forall ((v_~cur~0_28 Int) (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 ((.cse0 (* 2 v_~cur~0_26))) (or (< aux_div_v_~cur~0_22_51 (+ .cse0 v_~cur~0_28 v_~cur~0_30 1 c_~cur~0)) (>= aux_mod_v_~cur~0_22_51 2) (< v_~cur~0_26 (+ (* 2 v_~cur~0_28) v_~cur~0_30 c_~cur~0)) (< (+ aux_mod_v_~next~0_20_56 (* 2 aux_mod_v_~cur~0_22_51) 11 v_~i~0_8) (+ .cse0 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) v_~cur~0_28 v_~cur~0_30 c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (> 0 aux_mod_v_~cur~0_22_51) (< v_~prev~0_24 (+ v_~cur~0_28 v_~cur~0_26 v_~cur~0_30 c_~cur~0)) (< v_~cur~0_28 (+ (* 2 v_~cur~0_30) c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 v_~i~0_8) aux_mod_v_~cur~0_22_51 (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~next~0_20_56)))) (forall ((v_~cur~0_28 Int) (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 ((.cse1 (* 2 v_~cur~0_26))) (or (< aux_div_v_~cur~0_22_51 (+ .cse1 v_~cur~0_28 v_~cur~0_30 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 v_~j~0_8) (* aux_mod_v_~next~0_20_56 2))) (>= aux_mod_v_~cur~0_22_51 2) (< v_~cur~0_26 (+ (* 2 v_~cur~0_28) v_~cur~0_30 c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (> 0 aux_mod_v_~cur~0_22_51) (< v_~prev~0_24 (+ v_~cur~0_28 v_~cur~0_26 v_~cur~0_30 c_~cur~0)) (< v_~cur~0_28 (+ (* 2 v_~cur~0_30) c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 (* 2 aux_mod_v_~cur~0_22_51) 11 v_~j~0_8) (+ .cse1 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) v_~cur~0_28 v_~cur~0_30 c_~cur~0)))))) (< v_~cur~0_30 (+ c_~prev~0 c_~cur~0)))) (not (<= v_~j~0_8 1)))) (not (<= v_~i~0_8 1)))) is different from false Received shutdown request... [2022-02-08 23:36:42,307 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-08 23:36:42,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-08 23:36:42,312 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-08 23:36:42,312 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-08 23:36:42,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-08 23:36:42,525 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 [2022-02-08 23:36:42,525 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 7ms.. [2022-02-08 23:36:42,527 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-08 23:36:42,527 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-08 23:36:42,530 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-02-08 23:36:42,531 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-08 23:36:42,531 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-08 23:36:42,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 11:36:42 BasicIcfg [2022-02-08 23:36:42,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-08 23:36:42,534 INFO L158 Benchmark]: Toolchain (without parser) took 875321.02ms. Allocated memory was 194.0MB in the beginning and 594.5MB in the end (delta: 400.6MB). Free memory was 139.1MB in the beginning and 298.2MB in the end (delta: -159.1MB). Peak memory consumption was 410.4MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,534 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-08 23:36:42,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.56ms. Allocated memory is still 194.0MB. Free memory was 139.0MB in the beginning and 159.5MB in the end (delta: -20.5MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.54ms. Allocated memory is still 194.0MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,534 INFO L158 Benchmark]: Boogie Preprocessor took 26.73ms. Allocated memory is still 194.0MB. Free memory was 157.5MB in the beginning and 156.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,534 INFO L158 Benchmark]: RCFGBuilder took 394.14ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 143.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,535 INFO L158 Benchmark]: TraceAbstraction took 874515.13ms. Allocated memory was 194.0MB in the beginning and 594.5MB in the end (delta: 400.6MB). Free memory was 142.8MB in the beginning and 298.2MB in the end (delta: -155.5MB). Peak memory consumption was 413.4MB. Max. memory is 8.0GB. [2022-02-08 23:36:42,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.56ms. Allocated memory is still 194.0MB. Free memory was 139.0MB in the beginning and 159.5MB in the end (delta: -20.5MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.54ms. Allocated memory is still 194.0MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.73ms. Allocated memory is still 194.0MB. Free memory was 157.5MB in the beginning and 156.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 394.14ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 143.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 874515.13ms. Allocated memory was 194.0MB in the beginning and 594.5MB in the end (delta: 400.6MB). Free memory was 142.8MB in the beginning and 298.2MB in the end (delta: -155.5MB). Peak memory consumption was 413.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 726]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 7ms.. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 7ms.. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 874.4s, OverallIterations: 6, TraceHistogramMax: 15, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4356 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4356 mSDsluCounter, 2427 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2006 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 439 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12192occurred in iteration=5, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 500 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1285 SizeOfPredicates, 22 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/537 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown