/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:36:42,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:36:42,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:36:42,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:36:43,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 13:36:43,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:36:43,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:36:43,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:36:43,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:36:43,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:36:43,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:36:43,043 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:36:43,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:36:43,043 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:36:43,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:36:43,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:36:43,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:36:43,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:36:43,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:36:43,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:36:43,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:36:43,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:36:43,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:36:43,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:36:43,047 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:36:43,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:36:43,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:36:43,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:36:43,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:36:43,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:36:43,318 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:36:43,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2021-06-07 13:36:43,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc15b429/b55cfd3b50f54e10b651ccc89d65d05a/FLAG25527e8c7 [2021-06-07 13:36:43,726 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:36:43,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2021-06-07 13:36:43,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc15b429/b55cfd3b50f54e10b651ccc89d65d05a/FLAG25527e8c7 [2021-06-07 13:36:44,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acc15b429/b55cfd3b50f54e10b651ccc89d65d05a [2021-06-07 13:36:44,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:36:44,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:36:44,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:36:44,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:36:44,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:36:44,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784feccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44, skipping insertion in model container [2021-06-07 13:36:44,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:36:44,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:36:44,262 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i[950,963] [2021-06-07 13:36:44,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:36:44,365 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:36:44,372 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i[950,963] [2021-06-07 13:36:44,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:36:44,436 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:36:44,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44 WrapperNode [2021-06-07 13:36:44,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:36:44,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:36:44,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:36:44,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:36:44,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:36:44,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:36:44,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:36:44,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:36:44,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... [2021-06-07 13:36:44,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:36:44,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:36:44,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:36:44,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:36:44,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:36:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:36:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:36:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:36:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:36:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:36:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:36:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:36:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:36:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:36:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:36:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-07 13:36:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-07 13:36:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:36:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:36:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:36:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:36:44,534 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 13:36:44,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:36:44,895 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:36:44,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:36:44 BoogieIcfgContainer [2021-06-07 13:36:44,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:36:44,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:36:44,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:36:44,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:36:44,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:36:44" (1/3) ... [2021-06-07 13:36:44,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717a123a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:36:44, skipping insertion in model container [2021-06-07 13:36:44,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:36:44" (2/3) ... [2021-06-07 13:36:44,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717a123a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:36:44, skipping insertion in model container [2021-06-07 13:36:44,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:36:44" (3/3) ... [2021-06-07 13:36:44,902 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2021-06-07 13:36:44,907 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:36:44,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:36:44,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:36:44,908 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:36:44,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,946 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,947 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,947 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,947 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,949 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,953 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,953 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,956 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,956 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,958 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,958 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:36:44,961 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:36:44,975 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 13:36:45,027 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:36:45,027 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:36:45,027 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:36:45,027 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:36:45,027 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:36:45,027 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:36:45,027 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:36:45,027 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:36:45,087 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:36:45,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:36:45,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1352340960, now seen corresponding path program 1 times [2021-06-07 13:36:45,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:36:45,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590933162] [2021-06-07 13:36:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:36:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:36:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:36:45,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:36:45,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590933162] [2021-06-07 13:36:45,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590933162] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:36:45,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:36:45,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:36:45,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624047869] [2021-06-07 13:36:45,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:36:45,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:36:45,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:36:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:36:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:36:45,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:36:45,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 13:36:45,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:36:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:36:50,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:36:50,544 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:36:50,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:36:50,544 INFO L82 PathProgramCache]: Analyzing trace with hash 158293044, now seen corresponding path program 2 times [2021-06-07 13:36:50,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:36:50,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228623221] [2021-06-07 13:36:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:36:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:36:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:36:50,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:36:50,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228623221] [2021-06-07 13:36:50,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228623221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:36:50,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:36:50,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:36:50,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479305689] [2021-06-07 13:36:50,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:36:50,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:36:50,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:36:50,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:36:50,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:36:50,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:36:50,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 13:36:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:36:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:36:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:36:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:36:55,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:36:55,742 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:36:55,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:36:55,743 INFO L82 PathProgramCache]: Analyzing trace with hash 910026374, now seen corresponding path program 3 times [2021-06-07 13:36:55,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:36:55,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039291393] [2021-06-07 13:36:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:36:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:36:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:36:55,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:36:55,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039291393] [2021-06-07 13:36:55,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039291393] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:36:55,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:36:55,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:36:55,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569848994] [2021-06-07 13:36:55,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:36:55,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:36:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:36:55,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:36:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:36:55,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:36:55,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 13:36:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:36:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:36:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:37:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:37:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:02,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:37:02,133 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:37:02,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:37:02,134 INFO L82 PathProgramCache]: Analyzing trace with hash -292173094, now seen corresponding path program 4 times [2021-06-07 13:37:02,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:37:02,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305709230] [2021-06-07 13:37:02,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:37:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:37:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:37:02,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:37:02,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305709230] [2021-06-07 13:37:02,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305709230] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:37:02,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:37:02,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:37:02,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548976659] [2021-06-07 13:37:02,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:37:02,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:37:02,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:37:02,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:37:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:37:02,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:37:02,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 13:37:02,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:02,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:37:02,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:02,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:37:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:37:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:37:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:37:15,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 13:37:15,264 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:37:15,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:37:15 BasicIcfg [2021-06-07 13:37:15,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:37:15,266 INFO L168 Benchmark]: Toolchain (without parser) took 31154.10 ms. Allocated memory was 371.2 MB in the beginning and 9.7 GB in the end (delta: 9.3 GB). Free memory was 333.8 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-06-07 13:37:15,267 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 371.2 MB. Free memory was 351.8 MB in the beginning and 351.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:37:15,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.67 ms. Allocated memory is still 371.2 MB. Free memory was 333.6 MB in the beginning and 332.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-07 13:37:15,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 371.2 MB. Free memory was 332.3 MB in the beginning and 331.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:37:15,267 INFO L168 Benchmark]: Boogie Preprocessor took 14.00 ms. Allocated memory is still 371.2 MB. Free memory was 331.2 MB in the beginning and 329.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:37:15,268 INFO L168 Benchmark]: RCFGBuilder took 420.86 ms. Allocated memory is still 371.2 MB. Free memory was 329.1 MB in the beginning and 301.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 13:37:15,268 INFO L168 Benchmark]: TraceAbstraction took 30367.45 ms. Allocated memory was 371.2 MB in the beginning and 9.7 GB in the end (delta: 9.3 GB). Free memory was 300.8 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-06-07 13:37:15,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 371.2 MB. Free memory was 351.8 MB in the beginning and 351.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 322.67 ms. Allocated memory is still 371.2 MB. Free memory was 333.6 MB in the beginning and 332.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 371.2 MB. Free memory was 332.3 MB in the beginning and 331.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.00 ms. Allocated memory is still 371.2 MB. Free memory was 331.2 MB in the beginning and 329.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 420.86 ms. Allocated memory is still 371.2 MB. Free memory was 329.1 MB in the beginning and 301.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 30367.45 ms. Allocated memory was 371.2 MB in the beginning and 9.7 GB in the end (delta: 9.3 GB). Free memory was 300.8 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3005753, positive: 2956430, positive conditional: 2956430, positive unconditional: 0, negative: 49323, negative conditional: 49323, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2971283, positive: 2956430, positive conditional: 2956430, positive unconditional: 0, negative: 14853, negative conditional: 14853, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2971283, positive: 2950381, positive conditional: 0, positive unconditional: 2950381, negative: 20902, negative conditional: 0, negative unconditional: 20902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1786, positive: 1765, positive conditional: 0, positive unconditional: 1765, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1786, positive: 1753, positive conditional: 0, positive unconditional: 1753, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 37, negative conditional: 16, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 49, positive conditional: 21, positive unconditional: 28, negative: 68, negative conditional: 18, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2971283, positive: 2948616, positive conditional: 0, positive unconditional: 2948616, negative: 20881, negative conditional: 0, negative unconditional: 20881, unknown: 1786, unknown conditional: 0, unknown unconditional: 1786] , Statistics on independence cache: Total cache size (in pairs): 1815, Positive cache size: 1778, Positive conditional cache size: 13, Positive unconditional cache size: 1765, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 37, negative conditional: 16, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 49, positive conditional: 21, positive unconditional: 28, negative: 68, negative conditional: 18, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55206, positive: 6036, positive conditional: 6036, positive unconditional: 0, negative: 49141, negative conditional: 3170, negative unconditional: 45971, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1815, Positive cache size: 1778, Positive conditional cache size: 13, Positive unconditional cache size: 1765, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Eliminated conditions: 45971, SemanticConditionEliminator.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 37, negative conditional: 16, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 49, positive conditional: 21, positive unconditional: 28, negative: 68, negative conditional: 18, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55206, positive: 6036, positive conditional: 6036, positive unconditional: 0, negative: 49141, negative conditional: 3170, negative unconditional: 45971, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1815, Positive cache size: 1778, Positive conditional cache size: 13, Positive unconditional cache size: 1765, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Eliminated conditions: 45971, SemanticConditionEliminator.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 37, negative conditional: 16, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 49, positive conditional: 21, positive unconditional: 28, negative: 68, negative conditional: 18, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55206, positive: 6036, positive conditional: 6036, positive unconditional: 0, negative: 49141, negative conditional: 3170, negative unconditional: 45971, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1815, Positive cache size: 1778, Positive conditional cache size: 13, Positive unconditional cache size: 1765, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Eliminated conditions: 45971, SemanticConditionEliminator.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55206, positive: 6049, positive conditional: 6049, positive unconditional: 0, negative: 49157, negative conditional: 3186, negative unconditional: 45971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 25, positive conditional: 13, positive unconditional: 12, negative: 37, negative conditional: 16, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 49, positive conditional: 21, positive unconditional: 28, negative: 68, negative conditional: 18, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55206, positive: 6036, positive conditional: 6036, positive unconditional: 0, negative: 49141, negative conditional: 3170, negative unconditional: 45971, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1815, Positive cache size: 1778, Positive conditional cache size: 13, Positive unconditional cache size: 1765, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Eliminated conditions: 45971 ], Maximal queried relation: 4, Independence queries for same thread: 34470 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30267.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.9ms, PartialOrderReductionTime: 29456.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.1ms SsaConstructionTime, 115.0ms SatisfiabilityAnalysisTime, 532.5ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...