/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:09:36,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:09:36,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:09:36,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:09:36,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:09:36,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:09:36,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:09:36,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:09:36,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:09:36,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:09:36,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:09:36,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:09:36,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:09:36,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:09:36,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:09:36,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:09:36,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:09:36,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:09:36,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:09:36,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:09:36,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:09:36,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:09:36,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:09:36,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:09:36,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 15:09:36,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 15:09:36,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 15:09:36,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 15:09:36,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 15:09:36,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 15:09:36,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:09:36,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:09:36,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:09:36,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:09:36,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:09:36,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:09:36,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:09:36,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:09:36,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:09:36,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:09:36,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:09:36,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:09:36,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:09:36,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:09:36,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:09:36,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:09:36,956 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:09:36,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:09:36,957 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:09:36,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:09:36,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:09:36,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:09:36,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:09:36,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:09:36,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:09:36,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:09:36,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:09:36,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:09:36,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:09:36,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:09:36,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:09:36,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:09:36,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:09:36,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:09:36,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:09:36,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:09:36,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:09:37,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:09:37,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:09:37,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:09:37,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:09:37,319 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:09:37,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2020-10-11 15:09:37,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903cf142d/948b27d8d1a5489c86f7287d108d5bee/FLAG8eb808dc2 [2020-10-11 15:09:37,889 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:09:37,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2020-10-11 15:09:37,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903cf142d/948b27d8d1a5489c86f7287d108d5bee/FLAG8eb808dc2 [2020-10-11 15:09:38,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903cf142d/948b27d8d1a5489c86f7287d108d5bee [2020-10-11 15:09:38,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:09:38,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:09:38,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:09:38,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:09:38,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:09:38,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:38,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122f49bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38, skipping insertion in model container [2020-10-11 15:09:38,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:38,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:09:38,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:09:38,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:09:38,818 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:09:38,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:09:38,991 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:09:38,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38 WrapperNode [2020-10-11 15:09:38,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:09:38,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:09:38,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:09:38,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:09:39,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:09:39,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:09:39,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:09:39,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:09:39,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (1/1) ... [2020-10-11 15:09:39,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:09:39,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:09:39,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:09:39,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:09:39,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (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 [2020-10-11 15:09:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:09:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 15:09:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:09:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:09:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 15:09:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 15:09:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 15:09:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 15:09:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 15:09:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 15:09:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 15:09:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:09:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:09:39,207 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:09:39,523 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:09:39,523 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 15:09:39,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:09:39 BoogieIcfgContainer [2020-10-11 15:09:39,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:09:39,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:09:39,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:09:39,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:09:39,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:09:38" (1/3) ... [2020-10-11 15:09:39,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9367a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:09:39, skipping insertion in model container [2020-10-11 15:09:39,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:09:38" (2/3) ... [2020-10-11 15:09:39,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9367a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:09:39, skipping insertion in model container [2020-10-11 15:09:39,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:09:39" (3/3) ... [2020-10-11 15:09:39,534 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_tso.opt.i [2020-10-11 15:09:39,546 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:09:39,547 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:09:39,554 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 15:09:39,555 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:09:39,586 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,586 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,586 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,587 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,587 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,589 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,589 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,590 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,590 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,605 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,605 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:09:39,628 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 15:09:39,657 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:09:39,657 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:09:39,657 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:09:39,657 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:09:39,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:09:39,658 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:09:39,658 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:09:39,658 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:09:39,677 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:09:39,680 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-11 15:09:39,683 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-11 15:09:39,685 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-11 15:09:39,728 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-11 15:09:39,729 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 15:09:39,734 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-11 15:09:39,737 INFO L117 LiptonReduction]: Number of co-enabled transitions 1178 [2020-10-11 15:09:41,339 INFO L132 LiptonReduction]: Checked pairs total: 2123 [2020-10-11 15:09:41,339 INFO L134 LiptonReduction]: Total number of compositions: 56 [2020-10-11 15:09:41,350 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-11 15:09:41,382 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-11 15:09:41,386 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-11 15:09:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 15:09:41,411 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:41,412 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:41,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:41,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:41,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2007579917, now seen corresponding path program 1 times [2020-10-11 15:09:41,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:41,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035494188] [2020-10-11 15:09:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:41,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035494188] [2020-10-11 15:09:41,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:41,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 15:09:41,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719526541] [2020-10-11 15:09:41,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 15:09:41,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:41,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 15:09:41,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 15:09:41,661 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-11 15:09:41,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:41,726 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-11 15:09:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 15:09:41,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-11 15:09:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:41,746 INFO L225 Difference]: With dead ends: 214 [2020-10-11 15:09:41,747 INFO L226 Difference]: Without dead ends: 166 [2020-10-11 15:09:41,748 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 15:09:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-11 15:09:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-11 15:09:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-11 15:09:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-11 15:09:41,814 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-11 15:09:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:41,815 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-11 15:09:41,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 15:09:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-11 15:09:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 15:09:41,817 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:41,817 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:41,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:09:41,818 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:41,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:41,818 INFO L82 PathProgramCache]: Analyzing trace with hash 2105434478, now seen corresponding path program 1 times [2020-10-11 15:09:41,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:41,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485463187] [2020-10-11 15:09:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:41,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485463187] [2020-10-11 15:09:41,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:41,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:09:41,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636177809] [2020-10-11 15:09:41,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:41,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:41,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:41,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:41,950 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-11 15:09:41,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:41,995 INFO L93 Difference]: Finished difference Result 202 states and 516 transitions. [2020-10-11 15:09:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 15:09:42,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-11 15:09:42,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,002 INFO L225 Difference]: With dead ends: 202 [2020-10-11 15:09:42,002 INFO L226 Difference]: Without dead ends: 130 [2020-10-11 15:09:42,003 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-11 15:09:42,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-11 15:09:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-11 15:09:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 322 transitions. [2020-10-11 15:09:42,025 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 322 transitions. Word has length 9 [2020-10-11 15:09:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,026 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 322 transitions. [2020-10-11 15:09:42,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-10-11 15:09:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 15:09:42,028 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:42,028 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:42,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:09:42,028 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:42,029 INFO L82 PathProgramCache]: Analyzing trace with hash 857303980, now seen corresponding path program 1 times [2020-10-11 15:09:42,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:42,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914311172] [2020-10-11 15:09:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:42,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914311172] [2020-10-11 15:09:42,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:42,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:09:42,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277462400] [2020-10-11 15:09:42,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:42,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:42,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:42,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:42,120 INFO L87 Difference]: Start difference. First operand 130 states and 322 transitions. Second operand 4 states. [2020-10-11 15:09:42,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:42,157 INFO L93 Difference]: Finished difference Result 148 states and 336 transitions. [2020-10-11 15:09:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:09:42,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-11 15:09:42,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,159 INFO L225 Difference]: With dead ends: 148 [2020-10-11 15:09:42,160 INFO L226 Difference]: Without dead ends: 112 [2020-10-11 15:09:42,160 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-11 15:09:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-11 15:09:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-11 15:09:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 253 transitions. [2020-10-11 15:09:42,168 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 253 transitions. Word has length 10 [2020-10-11 15:09:42,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,169 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 253 transitions. [2020-10-11 15:09:42,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 253 transitions. [2020-10-11 15:09:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 15:09:42,170 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:42,170 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:42,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:09:42,171 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:42,171 INFO L82 PathProgramCache]: Analyzing trace with hash 806230555, now seen corresponding path program 1 times [2020-10-11 15:09:42,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:42,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004677229] [2020-10-11 15:09:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:42,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004677229] [2020-10-11 15:09:42,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:42,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:09:42,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205957245] [2020-10-11 15:09:42,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:09:42,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:42,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:09:42,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:42,226 INFO L87 Difference]: Start difference. First operand 112 states and 253 transitions. Second operand 5 states. [2020-10-11 15:09:42,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:42,273 INFO L93 Difference]: Finished difference Result 109 states and 227 transitions. [2020-10-11 15:09:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:09:42,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-11 15:09:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,275 INFO L225 Difference]: With dead ends: 109 [2020-10-11 15:09:42,275 INFO L226 Difference]: Without dead ends: 85 [2020-10-11 15:09:42,275 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 15:09:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-11 15:09:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-11 15:09:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-11 15:09:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 173 transitions. [2020-10-11 15:09:42,281 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 173 transitions. Word has length 11 [2020-10-11 15:09:42,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,281 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 173 transitions. [2020-10-11 15:09:42,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:09:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2020-10-11 15:09:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 15:09:42,282 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:42,282 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:42,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 15:09:42,283 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1664906609, now seen corresponding path program 1 times [2020-10-11 15:09:42,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:42,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121399487] [2020-10-11 15:09:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:42,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121399487] [2020-10-11 15:09:42,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:42,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 15:09:42,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798729137] [2020-10-11 15:09:42,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 15:09:42,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:42,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 15:09:42,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-11 15:09:42,343 INFO L87 Difference]: Start difference. First operand 85 states and 173 transitions. Second operand 6 states. [2020-10-11 15:09:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:42,393 INFO L93 Difference]: Finished difference Result 80 states and 161 transitions. [2020-10-11 15:09:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 15:09:42,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-11 15:09:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,395 INFO L225 Difference]: With dead ends: 80 [2020-10-11 15:09:42,395 INFO L226 Difference]: Without dead ends: 72 [2020-10-11 15:09:42,396 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-11 15:09:42,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-11 15:09:42,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-11 15:09:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-11 15:09:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 147 transitions. [2020-10-11 15:09:42,400 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 147 transitions. Word has length 13 [2020-10-11 15:09:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,400 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 147 transitions. [2020-10-11 15:09:42,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 15:09:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2020-10-11 15:09:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 15:09:42,402 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:42,402 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:42,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 15:09:42,402 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:42,403 INFO L82 PathProgramCache]: Analyzing trace with hash 399497030, now seen corresponding path program 1 times [2020-10-11 15:09:42,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:42,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799397187] [2020-10-11 15:09:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:42,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799397187] [2020-10-11 15:09:42,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:42,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:09:42,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293553582] [2020-10-11 15:09:42,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:42,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:42,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:42,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:42,456 INFO L87 Difference]: Start difference. First operand 72 states and 147 transitions. Second operand 4 states. [2020-10-11 15:09:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:42,473 INFO L93 Difference]: Finished difference Result 97 states and 192 transitions. [2020-10-11 15:09:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 15:09:42,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-11 15:09:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,474 INFO L225 Difference]: With dead ends: 97 [2020-10-11 15:09:42,475 INFO L226 Difference]: Without dead ends: 48 [2020-10-11 15:09:42,475 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-11 15:09:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-11 15:09:42,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-11 15:09:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 85 transitions. [2020-10-11 15:09:42,478 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 85 transitions. Word has length 16 [2020-10-11 15:09:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,478 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 85 transitions. [2020-10-11 15:09:42,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2020-10-11 15:09:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 15:09:42,479 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:09:42,479 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:09:42,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 15:09:42,480 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:09:42,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:09:42,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1410540376, now seen corresponding path program 2 times [2020-10-11 15:09:42,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:09:42,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878907689] [2020-10-11 15:09:42,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:09:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:09:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:09:42,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878907689] [2020-10-11 15:09:42,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:09:42,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:09:42,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397569762] [2020-10-11 15:09:42,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:09:42,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:09:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:09:42,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:09:42,512 INFO L87 Difference]: Start difference. First operand 48 states and 85 transitions. Second operand 4 states. [2020-10-11 15:09:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:09:42,522 INFO L93 Difference]: Finished difference Result 47 states and 84 transitions. [2020-10-11 15:09:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 15:09:42,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-11 15:09:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:09:42,523 INFO L225 Difference]: With dead ends: 47 [2020-10-11 15:09:42,523 INFO L226 Difference]: Without dead ends: 0 [2020-10-11 15:09:42,523 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:09:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-11 15:09:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-11 15:09:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-11 15:09:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-11 15:09:42,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-11 15:09:42,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:09:42,524 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-11 15:09:42,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:09:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-11 15:09:42,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-11 15:09:42,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 15:09:42,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:09:42 BasicIcfg [2020-10-11 15:09:42,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:09:42,532 INFO L168 Benchmark]: Toolchain (without parser) took 4297.32 ms. Allocated memory was 248.0 MB in the beginning and 366.0 MB in the end (delta: 118.0 MB). Free memory was 203.1 MB in the beginning and 253.3 MB in the end (delta: -50.2 MB). Peak memory consumption was 67.8 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,532 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 15:09:42,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.84 ms. Allocated memory was 248.0 MB in the beginning and 303.6 MB in the end (delta: 55.6 MB). Free memory was 203.1 MB in the beginning and 254.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.41 ms. Allocated memory is still 303.6 MB. Free memory was 254.5 MB in the beginning and 251.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,535 INFO L168 Benchmark]: Boogie Preprocessor took 54.02 ms. Allocated memory is still 303.6 MB. Free memory was 251.9 MB in the beginning and 249.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,536 INFO L168 Benchmark]: RCFGBuilder took 398.23 ms. Allocated memory is still 303.6 MB. Free memory was 249.4 MB in the beginning and 227.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,537 INFO L168 Benchmark]: TraceAbstraction took 3001.91 ms. Allocated memory was 303.6 MB in the beginning and 366.0 MB in the end (delta: 62.4 MB). Free memory was 227.6 MB in the beginning and 253.3 MB in the end (delta: -25.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:09:42,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 758.84 ms. Allocated memory was 248.0 MB in the beginning and 303.6 MB in the end (delta: 55.6 MB). Free memory was 203.1 MB in the beginning and 254.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 78.41 ms. Allocated memory is still 303.6 MB. Free memory was 254.5 MB in the beginning and 251.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.02 ms. Allocated memory is still 303.6 MB. Free memory was 251.9 MB in the beginning and 249.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 398.23 ms. Allocated memory is still 303.6 MB. Free memory was 249.4 MB in the beginning and 227.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 3001.91 ms. Allocated memory was 303.6 MB in the beginning and 366.0 MB in the end (delta: 62.4 MB). Free memory was 227.6 MB in the beginning and 253.3 MB in the end (delta: -25.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 831 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 58 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 77 PlacesBefore, 30 PlacesAfterwards, 69 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 56 TotalNumberOfCompositions, 2123 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 124 SDtfs, 130 SDslu, 169 SDs, 0 SdLazy, 101 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2534 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...