/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-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 16:32:48,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 16:32:48,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 16:32:48,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 16:32:48,992 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-NewStatesSleepPersistent-NoLbe.epf [2021-08-22 16:32:49,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 16:32:49,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 16:32:49,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 16:32:49,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 16:32:49,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 16:32:49,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 16:32:49,033 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 16:32:49,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 16:32:49,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 16:32:49,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 16:32:49,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 16:32:49,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 16:32:49,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 16:32:49,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 16:32:49,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 16:32:49,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 16:32:49,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 16:32:49,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 16:32:49,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 16:32:49,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 16:32:49,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 16:32:49,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 16:32:49,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 16:32:49,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 16:32:49,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 16:32:49,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 16:32:49,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 16:32:49,039 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 16:32:49,039 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 16:32:49,039 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 16:32:49,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 16:32:49,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 16:32:49,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 16:32:49,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 16:32:49,361 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 16:32:49,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2021-08-22 16:32:49,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca7ff086/80e798c063e24a7d9ad9bbde9e03fbe1/FLAGd51a6e45d [2021-08-22 16:32:49,887 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 16:32:49,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2021-08-22 16:32:49,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca7ff086/80e798c063e24a7d9ad9bbde9e03fbe1/FLAGd51a6e45d [2021-08-22 16:32:50,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca7ff086/80e798c063e24a7d9ad9bbde9e03fbe1 [2021-08-22 16:32:50,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 16:32:50,272 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 16:32:50,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 16:32:50,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 16:32:50,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 16:32:50,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139a90ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50, skipping insertion in model container [2021-08-22 16:32:50,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 16:32:50,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 16:32:50,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i[949,962] [2021-08-22 16:32:50,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 16:32:50,626 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 16:32:50,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i[949,962] [2021-08-22 16:32:50,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 16:32:50,730 INFO L208 MainTranslator]: Completed translation [2021-08-22 16:32:50,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50 WrapperNode [2021-08-22 16:32:50,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 16:32:50,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 16:32:50,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 16:32:50,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 16:32:50,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 16:32:50,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 16:32:50,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 16:32:50,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 16:32:50,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 16:32:50,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 16:32:50,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 16:32:50,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 16:32:50,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (1/1) ... [2021-08-22 16:32:50,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 16:32:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:32:50,854 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) [2021-08-22 16:32:50,883 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 [2021-08-22 16:32:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 16:32:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 16:32:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 16:32:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 16:32:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 16:32:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 16:32:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 16:32:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 16:32:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-22 16:32:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-22 16:32:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 16:32:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 16:32:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 16:32:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 16:32:50,903 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 16:32:51,291 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 16:32:51,291 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 16:32:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:32:51 BoogieIcfgContainer [2021-08-22 16:32:51,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 16:32:51,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 16:32:51,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 16:32:51,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 16:32:51,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:32:50" (1/3) ... [2021-08-22 16:32:51,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5259f061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:32:51, skipping insertion in model container [2021-08-22 16:32:51,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:32:50" (2/3) ... [2021-08-22 16:32:51,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5259f061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:32:51, skipping insertion in model container [2021-08-22 16:32:51,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:32:51" (3/3) ... [2021-08-22 16:32:51,300 INFO L111 eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i [2021-08-22 16:32:51,305 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 16:32:51,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 16:32:51,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 16:32:51,305 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 16:32:51,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,347 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,347 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,347 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,347 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 16:32:51,359 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 16:32:51,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 16:32:51,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:32:51,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 16:32:51,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 16:32:51,463 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 16:32:51,471 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-22 16:32:51,471 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 16:32:51,700 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:51,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1359083234, now seen corresponding path program 1 times [2021-08-22 16:32:51,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:51,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581539387] [2021-08-22 16:32:51,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:51,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:51,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:51,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581539387] [2021-08-22 16:32:51,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581539387] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:51,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:51,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 16:32:51,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830561131] [2021-08-22 16:32:51,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 16:32:51,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:51,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 16:32:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 16:32:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:51,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:51,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2021-08-22 16:32:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:51,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 16:32:51,976 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:51,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:51,976 INFO L82 PathProgramCache]: Analyzing trace with hash -927759384, now seen corresponding path program 1 times [2021-08-22 16:32:51,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:51,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043195714] [2021-08-22 16:32:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:51,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:52,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:52,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043195714] [2021-08-22 16:32:52,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043195714] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:52,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:52,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 16:32:52,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513620825] [2021-08-22 16:32:52,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 16:32:52,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 16:32:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 16:32:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:52,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 16:32:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:52,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 16:32:52,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash -505614001, now seen corresponding path program 1 times [2021-08-22 16:32:52,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:52,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856167188] [2021-08-22 16:32:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:52,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:52,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:52,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856167188] [2021-08-22 16:32:52,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856167188] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:52,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:52,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 16:32:52,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883447656] [2021-08-22 16:32:52,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 16:32:52,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:52,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 16:32:52,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 16:32:52,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:52,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-08-22 16:32:52,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:52,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:52,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 16:32:52,816 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:52,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:52,817 INFO L82 PathProgramCache]: Analyzing trace with hash -956685147, now seen corresponding path program 1 times [2021-08-22 16:32:52,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:52,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847242601] [2021-08-22 16:32:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:52,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:53,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:53,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847242601] [2021-08-22 16:32:53,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847242601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:53,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:53,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 16:32:53,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211592683] [2021-08-22 16:32:53,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 16:32:53,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:53,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 16:32:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 16:32:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:53,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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) [2021-08-22 16:32:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 16:32:53,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1591594786, now seen corresponding path program 1 times [2021-08-22 16:32:53,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:53,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671429698] [2021-08-22 16:32:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:53,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:53,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:53,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671429698] [2021-08-22 16:32:53,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671429698] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:53,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:53,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 16:32:53,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149943499] [2021-08-22 16:32:53,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 16:32:53,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:53,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 16:32:53,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 16:32:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:53,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-08-22 16:32:53,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 16:32:53,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:53,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:53,615 INFO L82 PathProgramCache]: Analyzing trace with hash 789391536, now seen corresponding path program 2 times [2021-08-22 16:32:53,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:53,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300175602] [2021-08-22 16:32:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:53,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:53,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:53,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300175602] [2021-08-22 16:32:53,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300175602] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:53,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:53,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 16:32:53,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229463299] [2021-08-22 16:32:53,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 16:32:53,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:53,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 16:32:53,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-22 16:32:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,843 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:53,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-08-22 16:32:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 16:32:53,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 16:32:53,999 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 16:32:53,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:32:54,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1528471846, now seen corresponding path program 3 times [2021-08-22 16:32:54,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:32:54,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998567499] [2021-08-22 16:32:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:32:54,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:32:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:32:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:32:54,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:32:54,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998567499] [2021-08-22 16:32:54,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998567499] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:32:54,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:32:54,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 16:32:54,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021605957] [2021-08-22 16:32:54,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 16:32:54,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:32:54,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 16:32:54,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-22 16:32:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:54,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:32:54,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 16:32:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 16:32:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 16:32:54,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 16:32:54,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 16:32:54,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 16:32:54,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 16:32:54,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 16:32:54,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-22 16:32:54,233 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 16:32:54,233 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 16:32:54,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:32:54 BasicIcfg [2021-08-22 16:32:54,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 16:32:54,236 INFO L168 Benchmark]: Toolchain (without parser) took 3963.17 ms. Allocated memory was 191.9 MB in the beginning and 248.5 MB in the end (delta: 56.6 MB). Free memory was 154.2 MB in the beginning and 173.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,236 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 191.9 MB. Free memory was 172.2 MB in the beginning and 172.1 MB in the end (delta: 79.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 16:32:54,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.29 ms. Allocated memory is still 191.9 MB. Free memory was 154.0 MB in the beginning and 166.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.68 ms. Allocated memory is still 191.9 MB. Free memory was 166.0 MB in the beginning and 163.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,237 INFO L168 Benchmark]: Boogie Preprocessor took 31.38 ms. Allocated memory is still 191.9 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,238 INFO L168 Benchmark]: RCFGBuilder took 468.53 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 138.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,238 INFO L168 Benchmark]: TraceAbstraction took 2939.83 ms. Allocated memory was 191.9 MB in the beginning and 248.5 MB in the end (delta: 56.6 MB). Free memory was 137.7 MB in the beginning and 173.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 8.0 GB. [2021-08-22 16:32:54,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 191.9 MB. Free memory was 172.2 MB in the beginning and 172.1 MB in the end (delta: 79.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 455.29 ms. Allocated memory is still 191.9 MB. Free memory was 154.0 MB in the beginning and 166.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.68 ms. Allocated memory is still 191.9 MB. Free memory was 166.0 MB in the beginning and 163.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.38 ms. Allocated memory is still 191.9 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 468.53 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 138.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2939.83 ms. Allocated memory was 191.9 MB in the beginning and 248.5 MB in the end (delta: 56.6 MB). Free memory was 137.7 MB in the beginning and 173.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4027, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 87, negative conditional: 65, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4016, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4016, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 2340, positive unconditional: 1600, negative: 399, negative conditional: 323, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 717, positive unconditional: 3223, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 717, positive unconditional: 3223, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1130, positive: 1104, positive conditional: 9, positive unconditional: 1095, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1130, positive: 1089, positive conditional: 0, positive unconditional: 1089, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 196, positive: 42, positive conditional: 22, positive unconditional: 20, negative: 154, negative conditional: 6, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4339, positive: 2836, positive conditional: 708, positive unconditional: 2128, negative: 373, negative conditional: 18, negative unconditional: 355, unknown: 1130, unknown conditional: 13, unknown unconditional: 1117] , Statistics on independence cache: Total cache size (in pairs): 1130, Positive cache size: 1104, Positive conditional cache size: 9, Positive unconditional cache size: 1095, Negative cache size: 26, Negative conditional cache size: 4, Negative unconditional cache size: 22, Eliminated conditions: 1924, Maximal queried relation: 5, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 253, Number of persistent set computation: 215, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1117, positive: 1095, positive conditional: 0, positive unconditional: 1095, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4027, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 87, negative conditional: 65, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4016, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4016, positive: 3940, positive conditional: 2845, positive unconditional: 1095, negative: 76, negative conditional: 54, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 2340, positive unconditional: 1600, negative: 399, negative conditional: 323, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 717, positive unconditional: 3223, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4339, positive: 3940, positive conditional: 717, positive unconditional: 3223, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1130, positive: 1104, positive conditional: 9, positive unconditional: 1095, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1130, positive: 1089, positive conditional: 0, positive unconditional: 1089, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 26, negative conditional: 4, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 196, positive: 42, positive conditional: 22, positive unconditional: 20, negative: 154, negative conditional: 6, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4339, positive: 2836, positive conditional: 708, positive unconditional: 2128, negative: 373, negative conditional: 18, negative unconditional: 355, unknown: 1130, unknown conditional: 13, unknown unconditional: 1117] , Statistics on independence cache: Total cache size (in pairs): 1130, Positive cache size: 1104, Positive conditional cache size: 9, Positive unconditional cache size: 1095, Negative cache size: 26, Negative conditional cache size: 4, Negative unconditional cache size: 22, Eliminated conditions: 1924, Maximal queried relation: 5, Independence queries for same thread: 11 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2837.1ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.3ms, PartialOrderReductionTime: 1193.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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: 35.7ms SsaConstructionTime, 243.8ms SatisfiabilityAnalysisTime, 1038.5ms InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 1213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-08-22 16:32:54,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 16:32:54,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...