/usr/bin/java -Xmx8000000000 -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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:12:07,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:12:07,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:12:07,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:12:07,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:12:07,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:12:07,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:12:07,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:12:07,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:12:07,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:12:07,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:12:07,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:12:07,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:12:07,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:12:07,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:12:07,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:12:07,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:12:07,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:12:07,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:12:07,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:12:07,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:12:07,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:12:07,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:12:07,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:12:07,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:12:07,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:12:07,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:12:07,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:12:07,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:12:07,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:12:07,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:12:07,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:12:07,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:12:07,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:12:07,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:12:07,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:12:07,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:12:07,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:12:07,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:12:07,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:12:07,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:12:07,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:12:07,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:12:07,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:12:07,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:12:07,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:12:07,593 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:12:07,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:12:07,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:12:07,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:12:07,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:12:07,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:12:07,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:12:07,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:12:07,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:12:07,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:12:07,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:12:07,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:12:07,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:12:07,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:12:07,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:12:07,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:12:07,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:12:07,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:12:07,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:12:07,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:12:07,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:12:07,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:12:07,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:12:07,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:12:07,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:12:07,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:12:07,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:12:07,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:12:07,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:12:07,927 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:12:07,928 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i [2020-10-16 12:12:08,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4784b2698/288f5372c68b4fb78c3a5c9c10e6c505/FLAGb8bb461bb [2020-10-16 12:12:08,557 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:12:08,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i [2020-10-16 12:12:08,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4784b2698/288f5372c68b4fb78c3a5c9c10e6c505/FLAGb8bb461bb [2020-10-16 12:12:08,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4784b2698/288f5372c68b4fb78c3a5c9c10e6c505 [2020-10-16 12:12:08,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:12:08,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:12:08,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:08,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:12:08,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:12:08,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:08" (1/1) ... [2020-10-16 12:12:08,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709b81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:08, skipping insertion in model container [2020-10-16 12:12:08,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:08" (1/1) ... [2020-10-16 12:12:08,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:12:08,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:12:09,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:09,599 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:12:09,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:09,744 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:12:09,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09 WrapperNode [2020-10-16 12:12:09,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:09,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:09,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:12:09,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:12:09,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:09,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:12:09,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:12:09,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:12:09,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... [2020-10-16 12:12:09,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:12:09,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:12:09,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:12:09,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:12:09,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:12:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:12:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:12:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:12:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:12:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:12:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:12:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:12:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:12:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:12:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:12:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:12:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:12:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:12:09,991 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:12:14,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:12:14,587 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:12:14,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:14 BoogieIcfgContainer [2020-10-16 12:12:14,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:12:14,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:12:14,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:12:14,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:12:14,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:12:08" (1/3) ... [2020-10-16 12:12:14,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326d2422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:14, skipping insertion in model container [2020-10-16 12:12:14,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:09" (2/3) ... [2020-10-16 12:12:14,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326d2422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:14, skipping insertion in model container [2020-10-16 12:12:14,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:14" (3/3) ... [2020-10-16 12:12:14,606 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.oepc.i [2020-10-16 12:12:14,618 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:12:14,618 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:12:14,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:12:14,631 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:12:14,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,680 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,680 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,700 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,733 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,735 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:14,773 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:12:14,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:12:14,817 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:12:14,817 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:12:14,817 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:12:14,817 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:12:14,818 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:12:14,818 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:12:14,818 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:12:14,818 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:12:14,840 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:12:14,841 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 209 flow [2020-10-16 12:12:14,845 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 209 flow [2020-10-16 12:12:14,847 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-16 12:12:14,918 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-16 12:12:14,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:12:14,924 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-16 12:12:14,931 INFO L117 LiptonReduction]: Number of co-enabled transitions 1908 [2020-10-16 12:12:15,300 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:12:15,459 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:12:20,107 WARN L193 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 388 DAG size of output: 346 [2020-10-16 12:12:20,144 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 4, 3, 2, 1] term [2020-10-16 12:12:20,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:20,146 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:20,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:20,148 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:20,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:20,151 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:20,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:20,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-16 12:12:20,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:20,197 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 4, 8, 2, 7, 4, 4, 2, 2, 1] term [2020-10-16 12:12:20,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,199 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 3, 4, 2, 2, 2, 1] term [2020-10-16 12:12:20,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,201 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 2, 1] term [2020-10-16 12:12:20,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-16 12:12:20,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,204 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:12:20,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,206 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:12:20,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-16 12:12:20,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:20,210 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:12:20,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:12:21,893 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 214 DAG size of output: 190 [2020-10-16 12:12:22,447 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:12:22,549 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:12:23,696 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-16 12:12:24,520 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-16 12:12:25,301 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-16 12:12:26,142 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-16 12:12:27,874 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-16 12:12:28,778 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-16 12:12:30,965 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2020-10-16 12:12:31,911 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-16 12:12:33,363 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-16 12:12:34,306 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-16 12:12:34,613 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-16 12:12:34,749 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 12:12:34,757 INFO L132 LiptonReduction]: Checked pairs total: 6973 [2020-10-16 12:12:34,757 INFO L134 LiptonReduction]: Total number of compositions: 80 [2020-10-16 12:12:34,763 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 29 transitions, 73 flow [2020-10-16 12:12:34,858 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1346 states. [2020-10-16 12:12:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states. [2020-10-16 12:12:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:12:34,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:34,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:34,869 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:34,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:34,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1844608269, now seen corresponding path program 1 times [2020-10-16 12:12:34,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:34,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014570860] [2020-10-16 12:12:34,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:35,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014570860] [2020-10-16 12:12:35,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:35,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:12:35,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205223667] [2020-10-16 12:12:35,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:12:35,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:35,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:12:35,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:12:35,213 INFO L87 Difference]: Start difference. First operand 1346 states. Second operand 3 states. [2020-10-16 12:12:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:35,443 INFO L93 Difference]: Finished difference Result 1166 states and 3780 transitions. [2020-10-16 12:12:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:12:35,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:12:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:35,489 INFO L225 Difference]: With dead ends: 1166 [2020-10-16 12:12:35,490 INFO L226 Difference]: Without dead ends: 950 [2020-10-16 12:12:35,492 INFO L677 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 [2020-10-16 12:12:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-10-16 12:12:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2020-10-16 12:12:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-10-16 12:12:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 3024 transitions. [2020-10-16 12:12:35,617 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 3024 transitions. Word has length 7 [2020-10-16 12:12:35,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:35,618 INFO L481 AbstractCegarLoop]: Abstraction has 950 states and 3024 transitions. [2020-10-16 12:12:35,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:12:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3024 transitions. [2020-10-16 12:12:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:12:35,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:35,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:35,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:12:35,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1152822199, now seen corresponding path program 1 times [2020-10-16 12:12:35,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:35,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5721389] [2020-10-16 12:12:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:35,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5721389] [2020-10-16 12:12:35,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:35,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:12:35,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896026866] [2020-10-16 12:12:35,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:35,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:35,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:35,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:35,863 INFO L87 Difference]: Start difference. First operand 950 states and 3024 transitions. Second operand 4 states. [2020-10-16 12:12:35,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:35,964 INFO L93 Difference]: Finished difference Result 948 states and 3016 transitions. [2020-10-16 12:12:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:12:35,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 12:12:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:35,974 INFO L225 Difference]: With dead ends: 948 [2020-10-16 12:12:35,974 INFO L226 Difference]: Without dead ends: 948 [2020-10-16 12:12:35,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-10-16 12:12:36,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2020-10-16 12:12:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-10-16 12:12:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 3016 transitions. [2020-10-16 12:12:36,008 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 3016 transitions. Word has length 9 [2020-10-16 12:12:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:36,009 INFO L481 AbstractCegarLoop]: Abstraction has 948 states and 3016 transitions. [2020-10-16 12:12:36,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 3016 transitions. [2020-10-16 12:12:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:12:36,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:36,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:36,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:12:36,011 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:36,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1762674136, now seen corresponding path program 1 times [2020-10-16 12:12:36,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:36,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350845095] [2020-10-16 12:12:36,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:36,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350845095] [2020-10-16 12:12:36,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:36,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:12:36,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437533981] [2020-10-16 12:12:36,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:12:36,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:36,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:12:36,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:12:36,118 INFO L87 Difference]: Start difference. First operand 948 states and 3016 transitions. Second operand 3 states. [2020-10-16 12:12:36,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:36,230 INFO L93 Difference]: Finished difference Result 914 states and 2892 transitions. [2020-10-16 12:12:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:12:36,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 12:12:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:36,240 INFO L225 Difference]: With dead ends: 914 [2020-10-16 12:12:36,240 INFO L226 Difference]: Without dead ends: 914 [2020-10-16 12:12:36,240 INFO L677 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 [2020-10-16 12:12:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-16 12:12:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2020-10-16 12:12:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-10-16 12:12:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 2892 transitions. [2020-10-16 12:12:36,274 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 2892 transitions. Word has length 10 [2020-10-16 12:12:36,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:36,274 INFO L481 AbstractCegarLoop]: Abstraction has 914 states and 2892 transitions. [2020-10-16 12:12:36,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:12:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2892 transitions. [2020-10-16 12:12:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:12:36,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:36,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:36,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:12:36,276 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:36,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:36,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1379378528, now seen corresponding path program 1 times [2020-10-16 12:12:36,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:36,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723477842] [2020-10-16 12:12:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:36,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723477842] [2020-10-16 12:12:36,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:36,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:36,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104604228] [2020-10-16 12:12:36,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:36,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:36,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:36,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:36,404 INFO L87 Difference]: Start difference. First operand 914 states and 2892 transitions. Second operand 5 states. [2020-10-16 12:12:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:36,586 INFO L93 Difference]: Finished difference Result 938 states and 2944 transitions. [2020-10-16 12:12:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:12:36,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-16 12:12:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:36,596 INFO L225 Difference]: With dead ends: 938 [2020-10-16 12:12:36,596 INFO L226 Difference]: Without dead ends: 938 [2020-10-16 12:12:36,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:36,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-10-16 12:12:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 842. [2020-10-16 12:12:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-10-16 12:12:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2628 transitions. [2020-10-16 12:12:36,625 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2628 transitions. Word has length 10 [2020-10-16 12:12:36,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:36,626 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 2628 transitions. [2020-10-16 12:12:36,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2628 transitions. [2020-10-16 12:12:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:12:36,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:36,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:36,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:12:36,629 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:36,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:36,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1562127519, now seen corresponding path program 1 times [2020-10-16 12:12:36,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:36,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541862678] [2020-10-16 12:12:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:36,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541862678] [2020-10-16 12:12:36,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:36,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:12:36,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035089354] [2020-10-16 12:12:36,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:12:36,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:12:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:36,992 INFO L87 Difference]: Start difference. First operand 842 states and 2628 transitions. Second operand 7 states. [2020-10-16 12:12:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:37,340 INFO L93 Difference]: Finished difference Result 836 states and 2606 transitions. [2020-10-16 12:12:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:37,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-16 12:12:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:37,351 INFO L225 Difference]: With dead ends: 836 [2020-10-16 12:12:37,351 INFO L226 Difference]: Without dead ends: 836 [2020-10-16 12:12:37,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-16 12:12:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 824. [2020-10-16 12:12:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2020-10-16 12:12:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 2565 transitions. [2020-10-16 12:12:37,387 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 2565 transitions. Word has length 12 [2020-10-16 12:12:37,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:37,388 INFO L481 AbstractCegarLoop]: Abstraction has 824 states and 2565 transitions. [2020-10-16 12:12:37,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:12:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 2565 transitions. [2020-10-16 12:12:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:37,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:37,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:37,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:12:37,391 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:37,392 INFO L82 PathProgramCache]: Analyzing trace with hash -10183504, now seen corresponding path program 1 times [2020-10-16 12:12:37,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:37,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741999317] [2020-10-16 12:12:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:37,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741999317] [2020-10-16 12:12:37,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:37,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:12:37,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124309491] [2020-10-16 12:12:37,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:12:37,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:12:37,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:12:37,704 INFO L87 Difference]: Start difference. First operand 824 states and 2565 transitions. Second operand 6 states. [2020-10-16 12:12:38,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:38,009 INFO L93 Difference]: Finished difference Result 1128 states and 3569 transitions. [2020-10-16 12:12:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:38,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-16 12:12:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:38,019 INFO L225 Difference]: With dead ends: 1128 [2020-10-16 12:12:38,019 INFO L226 Difference]: Without dead ends: 1128 [2020-10-16 12:12:38,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:12:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-16 12:12:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 980. [2020-10-16 12:12:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-16 12:12:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 3039 transitions. [2020-10-16 12:12:38,051 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 3039 transitions. Word has length 13 [2020-10-16 12:12:38,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:38,052 INFO L481 AbstractCegarLoop]: Abstraction has 980 states and 3039 transitions. [2020-10-16 12:12:38,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:12:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 3039 transitions. [2020-10-16 12:12:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:38,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:38,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:38,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:12:38,054 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:38,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:38,054 INFO L82 PathProgramCache]: Analyzing trace with hash -12172774, now seen corresponding path program 2 times [2020-10-16 12:12:38,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:38,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276963544] [2020-10-16 12:12:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:38,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276963544] [2020-10-16 12:12:38,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:38,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:12:38,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852511469] [2020-10-16 12:12:38,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:12:38,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:38,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:12:38,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:38,436 INFO L87 Difference]: Start difference. First operand 980 states and 3039 transitions. Second operand 7 states. [2020-10-16 12:12:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:38,750 INFO L93 Difference]: Finished difference Result 1388 states and 4289 transitions. [2020-10-16 12:12:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:38,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-16 12:12:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:38,761 INFO L225 Difference]: With dead ends: 1388 [2020-10-16 12:12:38,761 INFO L226 Difference]: Without dead ends: 936 [2020-10-16 12:12:38,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-10-16 12:12:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 888. [2020-10-16 12:12:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-16 12:12:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 2703 transitions. [2020-10-16 12:12:38,789 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 2703 transitions. Word has length 13 [2020-10-16 12:12:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:38,789 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 2703 transitions. [2020-10-16 12:12:38,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:12:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 2703 transitions. [2020-10-16 12:12:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:38,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:38,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:38,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:12:38,791 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:38,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1181356060, now seen corresponding path program 3 times [2020-10-16 12:12:38,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:38,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718011158] [2020-10-16 12:12:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:39,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718011158] [2020-10-16 12:12:39,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:39,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:12:39,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803234314] [2020-10-16 12:12:39,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:12:39,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:39,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:12:39,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:39,059 INFO L87 Difference]: Start difference. First operand 888 states and 2703 transitions. Second operand 8 states. [2020-10-16 12:12:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:39,839 INFO L93 Difference]: Finished difference Result 1346 states and 4041 transitions. [2020-10-16 12:12:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:12:39,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-16 12:12:39,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:39,852 INFO L225 Difference]: With dead ends: 1346 [2020-10-16 12:12:39,852 INFO L226 Difference]: Without dead ends: 1062 [2020-10-16 12:12:39,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:12:39,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-10-16 12:12:39,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 902. [2020-10-16 12:12:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-10-16 12:12:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 2732 transitions. [2020-10-16 12:12:39,880 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 2732 transitions. Word has length 13 [2020-10-16 12:12:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:39,880 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 2732 transitions. [2020-10-16 12:12:39,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:12:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 2732 transitions. [2020-10-16 12:12:39,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:39,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:39,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:39,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:12:39,883 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:39,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:39,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1181314210, now seen corresponding path program 4 times [2020-10-16 12:12:39,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:39,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681359356] [2020-10-16 12:12:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:39,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681359356] [2020-10-16 12:12:39,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:39,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:39,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244922241] [2020-10-16 12:12:39,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:39,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:39,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:39,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:39,965 INFO L87 Difference]: Start difference. First operand 902 states and 2732 transitions. Second operand 4 states. [2020-10-16 12:12:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,014 INFO L93 Difference]: Finished difference Result 810 states and 2172 transitions. [2020-10-16 12:12:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:40,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:12:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,019 INFO L225 Difference]: With dead ends: 810 [2020-10-16 12:12:40,019 INFO L226 Difference]: Without dead ends: 566 [2020-10-16 12:12:40,020 INFO L677 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 [2020-10-16 12:12:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-16 12:12:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2020-10-16 12:12:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-10-16 12:12:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1442 transitions. [2020-10-16 12:12:40,034 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 1442 transitions. Word has length 13 [2020-10-16 12:12:40,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,034 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 1442 transitions. [2020-10-16 12:12:40,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1442 transitions. [2020-10-16 12:12:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:12:40,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:12:40,036 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1416708828, now seen corresponding path program 1 times [2020-10-16 12:12:40,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939199122] [2020-10-16 12:12:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:40,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939199122] [2020-10-16 12:12:40,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:12:40,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592574363] [2020-10-16 12:12:40,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:40,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:40,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:40,126 INFO L87 Difference]: Start difference. First operand 566 states and 1442 transitions. Second operand 5 states. [2020-10-16 12:12:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,185 INFO L93 Difference]: Finished difference Result 461 states and 1106 transitions. [2020-10-16 12:12:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:40,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-16 12:12:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,189 INFO L225 Difference]: With dead ends: 461 [2020-10-16 12:12:40,189 INFO L226 Difference]: Without dead ends: 364 [2020-10-16 12:12:40,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:12:40,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-16 12:12:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2020-10-16 12:12:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-16 12:12:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 856 transitions. [2020-10-16 12:12:40,198 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 856 transitions. Word has length 15 [2020-10-16 12:12:40,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,199 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 856 transitions. [2020-10-16 12:12:40,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 856 transitions. [2020-10-16 12:12:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:12:40,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:12:40,201 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash -926688184, now seen corresponding path program 1 times [2020-10-16 12:12:40,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650112081] [2020-10-16 12:12:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:40,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650112081] [2020-10-16 12:12:40,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:12:40,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787414606] [2020-10-16 12:12:40,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:12:40,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:12:40,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:40,466 INFO L87 Difference]: Start difference. First operand 364 states and 856 transitions. Second operand 8 states. [2020-10-16 12:12:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,959 INFO L93 Difference]: Finished difference Result 500 states and 1163 transitions. [2020-10-16 12:12:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:12:40,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-10-16 12:12:40,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,963 INFO L225 Difference]: With dead ends: 500 [2020-10-16 12:12:40,963 INFO L226 Difference]: Without dead ends: 188 [2020-10-16 12:12:40,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:12:40,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-16 12:12:40,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 180. [2020-10-16 12:12:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-16 12:12:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 384 transitions. [2020-10-16 12:12:40,969 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 384 transitions. Word has length 19 [2020-10-16 12:12:40,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,970 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 384 transitions. [2020-10-16 12:12:40,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:12:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 384 transitions. [2020-10-16 12:12:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:12:40,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:12:40,971 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1212702714, now seen corresponding path program 2 times [2020-10-16 12:12:40,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328521785] [2020-10-16 12:12:40,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:41,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328521785] [2020-10-16 12:12:41,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:41,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:12:41,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884152971] [2020-10-16 12:12:41,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:12:41,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:41,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:12:41,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:12:41,178 INFO L87 Difference]: Start difference. First operand 180 states and 384 transitions. Second operand 6 states. [2020-10-16 12:12:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:41,256 INFO L93 Difference]: Finished difference Result 158 states and 338 transitions. [2020-10-16 12:12:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:12:41,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:12:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:41,259 INFO L225 Difference]: With dead ends: 158 [2020-10-16 12:12:41,259 INFO L226 Difference]: Without dead ends: 145 [2020-10-16 12:12:41,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-16 12:12:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-16 12:12:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-16 12:12:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 314 transitions. [2020-10-16 12:12:41,263 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 314 transitions. Word has length 19 [2020-10-16 12:12:41,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:41,264 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 314 transitions. [2020-10-16 12:12:41,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:12:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 314 transitions. [2020-10-16 12:12:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:12:41,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:41,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:41,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:12:41,265 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1943113717, now seen corresponding path program 1 times [2020-10-16 12:12:41,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:41,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989448901] [2020-10-16 12:12:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:41,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989448901] [2020-10-16 12:12:41,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:41,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:41,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700679228] [2020-10-16 12:12:41,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:41,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:41,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:41,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:41,371 INFO L87 Difference]: Start difference. First operand 145 states and 314 transitions. Second operand 4 states. [2020-10-16 12:12:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:41,398 INFO L93 Difference]: Finished difference Result 192 states and 412 transitions. [2020-10-16 12:12:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:12:41,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-16 12:12:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:41,401 INFO L225 Difference]: With dead ends: 192 [2020-10-16 12:12:41,401 INFO L226 Difference]: Without dead ends: 75 [2020-10-16 12:12:41,401 INFO L677 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 [2020-10-16 12:12:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-16 12:12:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-16 12:12:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-16 12:12:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 144 transitions. [2020-10-16 12:12:41,404 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 144 transitions. Word has length 24 [2020-10-16 12:12:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:41,404 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 144 transitions. [2020-10-16 12:12:41,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2020-10-16 12:12:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:12:41,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:41,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:41,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:12:41,405 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:41,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1923483509, now seen corresponding path program 2 times [2020-10-16 12:12:41,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:41,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837794797] [2020-10-16 12:12:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:41,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837794797] [2020-10-16 12:12:41,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:41,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:12:41,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044516848] [2020-10-16 12:12:41,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:12:41,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:41,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:12:41,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:41,653 INFO L87 Difference]: Start difference. First operand 75 states and 144 transitions. Second operand 7 states. [2020-10-16 12:12:41,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:41,946 INFO L93 Difference]: Finished difference Result 136 states and 259 transitions. [2020-10-16 12:12:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:12:41,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-16 12:12:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:41,948 INFO L225 Difference]: With dead ends: 136 [2020-10-16 12:12:41,948 INFO L226 Difference]: Without dead ends: 64 [2020-10-16 12:12:41,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:12:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-16 12:12:41,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-16 12:12:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-16 12:12:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 116 transitions. [2020-10-16 12:12:41,952 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 116 transitions. Word has length 24 [2020-10-16 12:12:41,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:41,952 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 116 transitions. [2020-10-16 12:12:41,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:12:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2020-10-16 12:12:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:12:41,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:41,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:41,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:12:41,955 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:41,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1215293561, now seen corresponding path program 3 times [2020-10-16 12:12:41,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:41,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847973108] [2020-10-16 12:12:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:42,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847973108] [2020-10-16 12:12:42,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:42,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:12:42,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306950467] [2020-10-16 12:12:42,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:12:42,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:42,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:12:42,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:12:42,620 INFO L87 Difference]: Start difference. First operand 64 states and 116 transitions. Second operand 10 states. [2020-10-16 12:12:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:42,942 INFO L93 Difference]: Finished difference Result 63 states and 115 transitions. [2020-10-16 12:12:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:42,943 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-16 12:12:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:42,944 INFO L225 Difference]: With dead ends: 63 [2020-10-16 12:12:42,944 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:12:42,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:12:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:12:42,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:12:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:12:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:12:42,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-16 12:12:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:42,946 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:12:42,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:12:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:12:42,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:12:42,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:12:42,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:12:42 BasicIcfg [2020-10-16 12:12:42,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:12:42,952 INFO L168 Benchmark]: Toolchain (without parser) took 34134.77 ms. Allocated memory was 140.0 MB in the beginning and 472.9 MB in the end (delta: 332.9 MB). Free memory was 101.3 MB in the beginning and 161.9 MB in the end (delta: -60.6 MB). Peak memory consumption was 272.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,953 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:12:42,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.50 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 156.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.51 ms. Allocated memory is still 205.5 MB. Free memory was 156.5 MB in the beginning and 152.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,955 INFO L168 Benchmark]: Boogie Preprocessor took 57.19 ms. Allocated memory is still 205.5 MB. Free memory was 152.5 MB in the beginning and 148.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,955 INFO L168 Benchmark]: RCFGBuilder took 4687.01 ms. Allocated memory was 205.5 MB in the beginning and 286.8 MB in the end (delta: 81.3 MB). Free memory was 148.4 MB in the beginning and 210.0 MB in the end (delta: -61.6 MB). Peak memory consumption was 146.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,956 INFO L168 Benchmark]: TraceAbstraction took 28357.44 ms. Allocated memory was 286.8 MB in the beginning and 472.9 MB in the end (delta: 186.1 MB). Free memory was 210.0 MB in the beginning and 161.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:42,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 925.50 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 156.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 100.51 ms. Allocated memory is still 205.5 MB. Free memory was 156.5 MB in the beginning and 152.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.19 ms. Allocated memory is still 205.5 MB. Free memory was 152.5 MB in the beginning and 148.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4687.01 ms. Allocated memory was 205.5 MB in the beginning and 286.8 MB in the end (delta: 81.3 MB). Free memory was 148.4 MB in the beginning and 210.0 MB in the end (delta: -61.6 MB). Peak memory consumption was 146.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28357.44 ms. Allocated memory was 286.8 MB in the beginning and 472.9 MB in the end (delta: 186.1 MB). Free memory was 210.0 MB in the beginning and 161.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 964 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 68 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 19.9s, 105 PlacesBefore, 39 PlacesAfterwards, 97 TransitionsBefore, 29 TransitionsAfterwards, 1908 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 6973 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 20.0s, HoareTripleCheckerStatistics: 389 SDtfs, 460 SDslu, 824 SDs, 0 SdLazy, 944 SolverSat, 243 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1346occurred 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: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 472 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 33363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...