/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 17:37:24,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 17:37:24,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 17:37:24,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 17:37:24,159 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 17:37:24,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 17:37:24,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 17:37:24,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 17:37:24,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 17:37:24,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 17:37:24,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 17:37:24,202 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 17:37:24,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 17:37:24,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 17:37:24,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 17:37:24,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 17:37:24,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 17:37:24,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 17:37:24,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 17:37:24,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 17:37:24,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 17:37:24,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 17:37:24,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 17:37:24,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 17:37:24,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 17:37:24,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 17:37:24,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 17:37:24,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 17:37:24,207 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 17:37:24,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 17:37:24,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 17:37:24,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 17:37:24,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 17:37:24,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 17:37:24,563 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 17:37:24,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-07-14 17:37:24,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5285ce8fe/d3ee0f99af814745ad9e012e7dd5974c/FLAG29ce06fd6 [2021-07-14 17:37:25,169 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 17:37:25,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-07-14 17:37:25,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5285ce8fe/d3ee0f99af814745ad9e012e7dd5974c/FLAG29ce06fd6 [2021-07-14 17:37:25,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5285ce8fe/d3ee0f99af814745ad9e012e7dd5974c [2021-07-14 17:37:25,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 17:37:25,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 17:37:25,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 17:37:25,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 17:37:25,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 17:37:25,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b54a605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25, skipping insertion in model container [2021-07-14 17:37:25,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 17:37:25,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 17:37:25,670 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/safe002_tso.opt.i[949,962] [2021-07-14 17:37:25,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:37:25,826 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 17:37:25,837 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/safe002_tso.opt.i[949,962] [2021-07-14 17:37:25,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:37:25,895 INFO L208 MainTranslator]: Completed translation [2021-07-14 17:37:25,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25 WrapperNode [2021-07-14 17:37:25,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 17:37:25,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 17:37:25,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 17:37:25,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 17:37:25,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 17:37:25,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 17:37:25,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 17:37:25,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 17:37:25,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (1/1) ... [2021-07-14 17:37:25,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 17:37:25,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 17:37:25,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 17:37:25,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 17:37:25,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (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 [2021-07-14 17:37:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 17:37:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 17:37:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 17:37:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 17:37:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 17:37:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 17:37:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 17:37:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 17:37:26,031 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 17:37:26,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 17:37:26,359 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 17:37:26,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:37:26 BoogieIcfgContainer [2021-07-14 17:37:26,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 17:37:26,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 17:37:26,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 17:37:26,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 17:37:26,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:37:25" (1/3) ... [2021-07-14 17:37:26,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aa1e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:37:26, skipping insertion in model container [2021-07-14 17:37:26,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:25" (2/3) ... [2021-07-14 17:37:26,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aa1e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:37:26, skipping insertion in model container [2021-07-14 17:37:26,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:37:26" (3/3) ... [2021-07-14 17:37:26,368 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.opt.i [2021-07-14 17:37:26,373 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 17:37:26,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 17:37:26,374 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 17:37:26,374 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 17:37:26,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,422 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,422 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,428 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,428 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,429 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,434 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,435 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,440 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,441 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,443 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,443 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:26,449 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 17:37:26,471 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-07-14 17:37:26,544 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 17:37:26,545 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 17:37:26,545 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 17:37:26,545 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 17:37:26,545 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 17:37:26,546 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 17:37:26,546 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 17:37:26,546 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 17:37:26,810 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:26,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:26,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2344125, now seen corresponding path program 1 times [2021-07-14 17:37:26,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:26,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348779796] [2021-07-14 17:37:26,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:27,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:27,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348779796] [2021-07-14 17:37:27,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348779796] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:27,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:27,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 17:37:27,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778159919] [2021-07-14 17:37:27,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 17:37:27,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:27,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 17:37:27,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 17:37:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:27,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:27,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-07-14 17:37:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:27,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:27,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 17:37:27,089 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:27,093 INFO L82 PathProgramCache]: Analyzing trace with hash -825987106, now seen corresponding path program 1 times [2021-07-14 17:37:27,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:27,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81420488] [2021-07-14 17:37:27,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:27,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:27,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81420488] [2021-07-14 17:37:27,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81420488] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:27,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:27,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 17:37:27,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339812044] [2021-07-14 17:37:27,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 17:37:27,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:27,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 17:37:27,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 17:37:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:27,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:27,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-07-14 17:37:27,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:27,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:28,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:28,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 17:37:28,354 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:28,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:28,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1566703778, now seen corresponding path program 2 times [2021-07-14 17:37:28,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:28,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259987335] [2021-07-14 17:37:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:28,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:28,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259987335] [2021-07-14 17:37:28,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259987335] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:28,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:28,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 17:37:28,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20698389] [2021-07-14 17:37:28,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 17:37:28,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:28,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 17:37:28,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 17:37:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:28,527 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:28,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-07-14 17:37:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:29,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 17:37:29,109 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:29,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:29,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1211560514, now seen corresponding path program 3 times [2021-07-14 17:37:29,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:29,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545183877] [2021-07-14 17:37:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:29,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:29,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545183877] [2021-07-14 17:37:29,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545183877] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:29,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:29,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 17:37:29,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150075415] [2021-07-14 17:37:29,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 17:37:29,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:29,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 17:37:29,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 17:37:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:29,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-07-14 17:37:29,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:29,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:29,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 17:37:29,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 17:37:29,759 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:29,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:29,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1759305022, now seen corresponding path program 4 times [2021-07-14 17:37:29,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:29,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106013292] [2021-07-14 17:37:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:29,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:29,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106013292] [2021-07-14 17:37:29,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106013292] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:29,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:29,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 17:37:29,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955160625] [2021-07-14 17:37:29,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 17:37:29,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:29,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 17:37:29,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 17:37:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:29,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-07-14 17:37:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 17:37:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:37:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 17:37:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 17:37:30,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 17:37:30,950 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 17:37:30,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:37:30 BasicIcfg [2021-07-14 17:37:30,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 17:37:30,953 INFO L168 Benchmark]: Toolchain (without parser) took 5463.46 ms. Allocated memory was 206.6 MB in the beginning and 420.5 MB in the end (delta: 213.9 MB). Free memory was 169.8 MB in the beginning and 313.0 MB in the end (delta: -143.2 MB). Peak memory consumption was 240.3 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,954 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 206.6 MB. Free memory is still 187.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 17:37:30,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.89 ms. Allocated memory is still 206.6 MB. Free memory was 169.6 MB in the beginning and 180.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 206.6 MB. Free memory was 180.7 MB in the beginning and 178.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,955 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 206.6 MB. Free memory was 178.6 MB in the beginning and 177.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,955 INFO L168 Benchmark]: RCFGBuilder took 408.25 ms. Allocated memory is still 206.6 MB. Free memory was 177.6 MB in the beginning and 152.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,955 INFO L168 Benchmark]: TraceAbstraction took 4590.02 ms. Allocated memory was 206.6 MB in the beginning and 420.5 MB in the end (delta: 213.9 MB). Free memory was 152.9 MB in the beginning and 313.0 MB in the end (delta: -160.1 MB). Peak memory consumption was 223.7 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:30,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 206.6 MB. Free memory is still 187.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 403.89 ms. Allocated memory is still 206.6 MB. Free memory was 169.6 MB in the beginning and 180.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.27 ms. Allocated memory is still 206.6 MB. Free memory was 180.7 MB in the beginning and 178.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 206.6 MB. Free memory was 178.6 MB in the beginning and 177.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 408.25 ms. Allocated memory is still 206.6 MB. Free memory was 177.6 MB in the beginning and 152.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4590.02 ms. Allocated memory was 206.6 MB in the beginning and 420.5 MB in the end (delta: 213.9 MB). Free memory was 152.9 MB in the beginning and 313.0 MB in the end (delta: -160.1 MB). Peak memory consumption was 223.7 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: 90690, positive: 86856, positive conditional: 79079, positive unconditional: 7777, negative: 3834, negative conditional: 3708, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 87868, positive: 86856, positive conditional: 79079, positive unconditional: 7777, negative: 1012, negative conditional: 886, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 87868, positive: 85825, positive conditional: 0, positive unconditional: 85825, negative: 2043, negative conditional: 0, negative unconditional: 2043, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1394, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1394, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87868, positive: 84458, positive conditional: 0, positive unconditional: 84458, negative: 2016, negative conditional: 0, negative unconditional: 2016, unknown: 1394, unknown conditional: 0, unknown unconditional: 1394] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144 ], Maximal queried relation: 5, Independence queries for same thread: 2822 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 582, Number of persistent set computation: 3578, Number of trivial persistent sets: 3239, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 90690, positive: 86856, positive conditional: 79079, positive unconditional: 7777, negative: 3834, negative conditional: 3708, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 87868, positive: 86856, positive conditional: 79079, positive unconditional: 7777, negative: 1012, negative conditional: 886, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 87868, positive: 85825, positive conditional: 0, positive unconditional: 85825, negative: 2043, negative conditional: 0, negative unconditional: 2043, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1394, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1394, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87868, positive: 84458, positive conditional: 0, positive unconditional: 84458, negative: 2016, negative conditional: 0, negative unconditional: 2016, unknown: 1394, unknown conditional: 0, unknown unconditional: 1394] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144, SemanticConditionEliminator.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6580, positive: 1031, positive conditional: 1031, positive unconditional: 0, negative: 5549, negative conditional: 173, negative unconditional: 5376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 6, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 169, negative conditional: 7, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6580, positive: 1009, positive conditional: 1009, positive unconditional: 0, negative: 5543, negative conditional: 167, negative unconditional: 5376, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1422, Positive cache size: 1389, Positive conditional cache size: 22, Positive unconditional cache size: 1367, Negative cache size: 33, Negative conditional cache size: 6, Negative unconditional cache size: 27, Eliminated conditions: 5144 ], Maximal queried relation: 5, Independence queries for same thread: 2822 - 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. VerificationResult: SAFE, OverallTime: 4450.3ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 3279.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 27.3ms SsaConstructionTime, 208.4ms SatisfiabilityAnalysisTime, 668.5ms InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...