/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/thin001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 13:03:50,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 13:03:50,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 13:03:50,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 13:03:50,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 13:03:50,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 13:03:50,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 13:03:50,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 13:03:50,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 13:03:50,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 13:03:50,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 13:03:50,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 13:03:50,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 13:03:50,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 13:03:50,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 13:03:50,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 13:03:50,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 13:03:50,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 13:03:50,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 13:03:50,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 13:03:50,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 13:03:50,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 13:03:50,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 13:03:50,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 13:03:50,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-09 13:03:50,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 13:03:50,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 13:03:50,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 13:03:50,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 13:03:50,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 13:03:50,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 13:03:50,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 13:03:50,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 13:03:50,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 13:03:50,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 13:03:50,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 13:03:50,656 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 [2020-10-09 13:03:50,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 13:03:50,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 13:03:50,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 13:03:50,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 13:03:50,679 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 13:03:50,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 13:03:50,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 13:03:50,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 13:03:50,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 13:03:50,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 13:03:50,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 13:03:50,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 13:03:50,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 13:03:50,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 13:03:50,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 13:03:50,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 13:03:50,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:03:50,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 13:03:50,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 13:03:50,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 13:03:50,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 13:03:50,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 13:03:50,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 13:03:50,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 13:03:50,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 13:03:50,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 13:03:50,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 13:03:50,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 13:03:50,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 13:03:50,989 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 13:03:50,990 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.opt.i [2020-10-09 13:03:51,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d6558e/6ffd9caac7ee4df1ae6ed2cb272e7571/FLAG4ca5aefe3 [2020-10-09 13:03:51,575 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 13:03:51,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.opt.i [2020-10-09 13:03:51,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d6558e/6ffd9caac7ee4df1ae6ed2cb272e7571/FLAG4ca5aefe3 [2020-10-09 13:03:51,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d6558e/6ffd9caac7ee4df1ae6ed2cb272e7571 [2020-10-09 13:03:51,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 13:03:51,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 13:03:51,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 13:03:51,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 13:03:51,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 13:03:51,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:03:51" (1/1) ... [2020-10-09 13:03:51,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e15ceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:51, skipping insertion in model container [2020-10-09 13:03:51,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:03:51" (1/1) ... [2020-10-09 13:03:51,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 13:03:51,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 13:03:52,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:03:52,479 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 13:03:52,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:03:52,597 INFO L208 MainTranslator]: Completed translation [2020-10-09 13:03:52,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52 WrapperNode [2020-10-09 13:03:52,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 13:03:52,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 13:03:52,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 13:03:52,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 13:03:52,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 13:03:52,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 13:03:52,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 13:03:52,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 13:03:52,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (1/1) ... [2020-10-09 13:03:52,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 13:03:52,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 13:03:52,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 13:03:52,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 13:03:52,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (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 [2020-10-09 13:03:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 13:03:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-09 13:03:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 13:03:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 13:03:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-09 13:03:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-09 13:03:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-09 13:03:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-09 13:03:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-09 13:03:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-09 13:03:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-09 13:03:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 13:03:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 13:03:52,747 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 13:03:53,117 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 13:03:53,118 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-09 13:03:53,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:03:53 BoogieIcfgContainer [2020-10-09 13:03:53,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 13:03:53,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 13:03:53,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 13:03:53,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 13:03:53,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 01:03:51" (1/3) ... [2020-10-09 13:03:53,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94a504f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:03:53, skipping insertion in model container [2020-10-09 13:03:53,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:03:52" (2/3) ... [2020-10-09 13:03:53,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94a504f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:03:53, skipping insertion in model container [2020-10-09 13:03:53,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:03:53" (3/3) ... [2020-10-09 13:03:53,129 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.opt.i [2020-10-09 13:03:53,140 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 13:03:53,141 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 13:03:53,148 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 13:03:53,149 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 13:03:53,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,181 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,181 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,183 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,183 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,188 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,189 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,199 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:03:53,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 13:03:53,237 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:03:53,238 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:03:53,238 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:03:53,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:03:53,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:03:53,238 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:03:53,238 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:03:53,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:03:53,252 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:03:53,255 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-09 13:03:53,258 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-09 13:03:53,260 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-09 13:03:53,312 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-09 13:03:53,312 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 13:03:53,318 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-09 13:03:53,320 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-09 13:03:54,778 INFO L132 LiptonReduction]: Checked pairs total: 2579 [2020-10-09 13:03:54,778 INFO L134 LiptonReduction]: Total number of compositions: 58 [2020-10-09 13:03:54,785 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-09 13:03:54,812 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-09 13:03:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-09 13:03:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 13:03:54,822 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:54,823 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:54,823 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:54,829 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-09 13:03:54,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:54,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703200466] [2020-10-09 13:03:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703200466] [2020-10-09 13:03:55,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:03:55,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390357063] [2020-10-09 13:03:55,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 13:03:55,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 13:03:55,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 13:03:55,032 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-09 13:03:55,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,064 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-09 13:03:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 13:03:55,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-09 13:03:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,083 INFO L225 Difference]: With dead ends: 362 [2020-10-09 13:03:55,083 INFO L226 Difference]: Without dead ends: 298 [2020-10-09 13:03:55,085 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 13:03:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-09 13:03:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-09 13:03:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-09 13:03:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-09 13:03:55,161 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-09 13:03:55,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,163 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-09 13:03:55,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 13:03:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-09 13:03:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 13:03:55,165 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,165 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 13:03:55,166 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-09 13:03:55,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738610469] [2020-10-09 13:03:55,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738610469] [2020-10-09 13:03:55,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:03:55,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695814488] [2020-10-09 13:03:55,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:03:55,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:03:55,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:03:55,309 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-09 13:03:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,347 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-09 13:03:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 13:03:55,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-09 13:03:55,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,352 INFO L225 Difference]: With dead ends: 330 [2020-10-09 13:03:55,352 INFO L226 Difference]: Without dead ends: 266 [2020-10-09 13:03:55,353 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 [2020-10-09 13:03:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-09 13:03:55,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-09 13:03:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-09 13:03:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-09 13:03:55,380 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-09 13:03:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,380 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-09 13:03:55,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:03:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-09 13:03:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 13:03:55,383 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,383 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 13:03:55,383 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-09 13:03:55,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663701286] [2020-10-09 13:03:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663701286] [2020-10-09 13:03:55,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:03:55,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228905430] [2020-10-09 13:03:55,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:03:55,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:03:55,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:03:55,507 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-10-09 13:03:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,533 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-09 13:03:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 13:03:55,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-09 13:03:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,536 INFO L225 Difference]: With dead ends: 290 [2020-10-09 13:03:55,536 INFO L226 Difference]: Without dead ends: 242 [2020-10-09 13:03:55,537 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 [2020-10-09 13:03:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-09 13:03:55,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-09 13:03:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-09 13:03:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-09 13:03:55,554 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-09 13:03:55,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,554 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-09 13:03:55,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:03:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-09 13:03:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 13:03:55,557 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,557 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 13:03:55,557 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,558 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-10-09 13:03:55,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784110565] [2020-10-09 13:03:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784110565] [2020-10-09 13:03:55,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:03:55,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357814340] [2020-10-09 13:03:55,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:03:55,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:03:55,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:03:55,670 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-10-09 13:03:55,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,692 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-10-09 13:03:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 13:03:55,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-09 13:03:55,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,695 INFO L225 Difference]: With dead ends: 260 [2020-10-09 13:03:55,695 INFO L226 Difference]: Without dead ends: 224 [2020-10-09 13:03:55,696 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 [2020-10-09 13:03:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-09 13:03:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-09 13:03:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-09 13:03:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-10-09 13:03:55,709 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-10-09 13:03:55,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,709 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-10-09 13:03:55,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:03:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-10-09 13:03:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 13:03:55,711 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,711 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 13:03:55,712 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,712 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-10-09 13:03:55,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816084197] [2020-10-09 13:03:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816084197] [2020-10-09 13:03:55,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:03:55,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798729137] [2020-10-09 13:03:55,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:03:55,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:03:55,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:03:55,776 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-10-09 13:03:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,824 INFO L93 Difference]: Finished difference Result 281 states and 747 transitions. [2020-10-09 13:03:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:03:55,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-09 13:03:55,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,828 INFO L225 Difference]: With dead ends: 281 [2020-10-09 13:03:55,828 INFO L226 Difference]: Without dead ends: 158 [2020-10-09 13:03:55,828 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 13:03:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-09 13:03:55,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-09 13:03:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-09 13:03:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 394 transitions. [2020-10-09 13:03:55,835 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 394 transitions. Word has length 12 [2020-10-09 13:03:55,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,835 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 394 transitions. [2020-10-09 13:03:55,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:03:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions. [2020-10-09 13:03:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-09 13:03:55,837 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,837 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 13:03:55,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1491329578, now seen corresponding path program 1 times [2020-10-09 13:03:55,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610708833] [2020-10-09 13:03:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:55,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610708833] [2020-10-09 13:03:55,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:55,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:03:55,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051855480] [2020-10-09 13:03:55,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:03:55,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:55,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:03:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:03:55,898 INFO L87 Difference]: Start difference. First operand 158 states and 394 transitions. Second operand 5 states. [2020-10-09 13:03:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:55,943 INFO L93 Difference]: Finished difference Result 212 states and 513 transitions. [2020-10-09 13:03:55,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:03:55,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-09 13:03:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:55,944 INFO L225 Difference]: With dead ends: 212 [2020-10-09 13:03:55,944 INFO L226 Difference]: Without dead ends: 98 [2020-10-09 13:03:55,945 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 13:03:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-09 13:03:55,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-09 13:03:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-09 13:03:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-10-09 13:03:55,949 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-10-09 13:03:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:55,949 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-10-09 13:03:55,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:03:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-10-09 13:03:55,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 13:03:55,951 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:03:55,951 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:03:55,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 13:03:55,951 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:03:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:03:55,952 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-10-09 13:03:55,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:03:55,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609823659] [2020-10-09 13:03:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:03:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:03:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:03:56,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609823659] [2020-10-09 13:03:56,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:03:56,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:03:56,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864805901] [2020-10-09 13:03:56,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:03:56,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:03:56,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:03:56,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:03:56,008 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-10-09 13:03:56,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:03:56,048 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-10-09 13:03:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:03:56,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-09 13:03:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:03:56,050 INFO L225 Difference]: With dead ends: 86 [2020-10-09 13:03:56,050 INFO L226 Difference]: Without dead ends: 0 [2020-10-09 13:03:56,051 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-09 13:03:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-09 13:03:56,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-09 13:03:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-09 13:03:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-09 13:03:56,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-09 13:03:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:03:56,052 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-09 13:03:56,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:03:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-09 13:03:56,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-09 13:03:56,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 13:03:56,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 01:03:56 BasicIcfg [2020-10-09 13:03:56,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 13:03:56,059 INFO L168 Benchmark]: Toolchain (without parser) took 4166.35 ms. Allocated memory was 252.7 MB in the beginning and 375.4 MB in the end (delta: 122.7 MB). Free memory was 208.2 MB in the beginning and 272.3 MB in the end (delta: -64.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,060 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 13:03:56,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.03 ms. Allocated memory was 252.7 MB in the beginning and 319.3 MB in the end (delta: 66.6 MB). Free memory was 208.2 MB in the beginning and 272.7 MB in the end (delta: -64.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.68 ms. Allocated memory is still 319.3 MB. Free memory was 272.7 MB in the beginning and 270.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,063 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 ms. Allocated memory is still 319.3 MB. Free memory was 270.2 MB in the beginning and 267.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,063 INFO L168 Benchmark]: RCFGBuilder took 445.30 ms. Allocated memory is still 319.3 MB. Free memory was 267.7 MB in the beginning and 245.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,064 INFO L168 Benchmark]: TraceAbstraction took 2935.71 ms. Allocated memory was 319.3 MB in the beginning and 375.4 MB in the end (delta: 56.1 MB). Free memory was 245.8 MB in the beginning and 272.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. [2020-10-09 13:03:56,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 704.03 ms. Allocated memory was 252.7 MB in the beginning and 319.3 MB in the end (delta: 66.6 MB). Free memory was 208.2 MB in the beginning and 272.7 MB in the end (delta: -64.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.68 ms. Allocated memory is still 319.3 MB. Free memory was 272.7 MB in the beginning and 270.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 27.52 ms. Allocated memory is still 319.3 MB. Free memory was 270.2 MB in the beginning and 267.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 445.30 ms. Allocated memory is still 319.3 MB. Free memory was 267.7 MB in the beginning and 245.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2935.71 ms. Allocated memory was 319.3 MB in the beginning and 375.4 MB in the end (delta: 56.1 MB). Free memory was 245.8 MB in the beginning and 272.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 879 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 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, 70 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: 1.5s, HoareTripleCheckerStatistics: 156 SDtfs, 155 SDslu, 212 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 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...