/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/mix023_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:00:09,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:00:09,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:00:09,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:00:09,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:00:09,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:00:09,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:00:09,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:00:09,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:00:09,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:00:09,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:00:09,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:00:09,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:00:09,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:00:09,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:00:09,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:00:09,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:00:09,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:00:09,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:00:09,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:00:09,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:00:09,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:00:09,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:00:09,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:00:09,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:00:09,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:00:09,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:00:09,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:00:09,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:00:09,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:00:09,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:00:09,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:00:09,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:00:09,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:00:09,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:00:09,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:00:09,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:00:09,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:00:09,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:00:09,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:00:09,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:00:09,848 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 12:00:09,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:00:09,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:00:09,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:00:09,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:00:09,891 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:00:09,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:00:09,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:00:09,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:00:09,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:00:09,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:00:09,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:00:09,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:00:09,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:00:09,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:00:09,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:00:09,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:00:09,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:00:09,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:00:09,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:00:09,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:00:09,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:00:09,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:00:09,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:00:09,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:00:09,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:00:09,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:00:09,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:00:09,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:00:09,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:00:10,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:00:10,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:00:10,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:00:10,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:00:10,225 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:00:10,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.oepc.i [2020-10-16 12:00:10,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8cc6ba/d8b03979d0b7496cbc74dac693de2d75/FLAG1642388d5 [2020-10-16 12:00:10,870 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:00:10,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix023_power.oepc.i [2020-10-16 12:00:10,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8cc6ba/d8b03979d0b7496cbc74dac693de2d75/FLAG1642388d5 [2020-10-16 12:00:11,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8cc6ba/d8b03979d0b7496cbc74dac693de2d75 [2020-10-16 12:00:11,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:00:11,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:00:11,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:11,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:00:11,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:00:11,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aabe850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11, skipping insertion in model container [2020-10-16 12:00:11,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:00:11,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:00:11,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:11,697 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:00:11,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:11,875 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:00:11,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11 WrapperNode [2020-10-16 12:00:11,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:11,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:11,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:00:11,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:00:11,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:11,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:00:11,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:00:11,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:00:11,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (1/1) ... [2020-10-16 12:00:11,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:00:11,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:00:11,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:00:11,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:00:11,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (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 12:00:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:00:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:00:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:00:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:00:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:00:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:00:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:00:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:00:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:00:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:00:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:00:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:00:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:00:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:00:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:00:12,069 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 12:00:14,310 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:00:14,311 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:00:14,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:14 BoogieIcfgContainer [2020-10-16 12:00:14,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:00:14,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:00:14,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:00:14,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:00:14,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:00:11" (1/3) ... [2020-10-16 12:00:14,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13802310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:14, skipping insertion in model container [2020-10-16 12:00:14,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:11" (2/3) ... [2020-10-16 12:00:14,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13802310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:14, skipping insertion in model container [2020-10-16 12:00:14,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:14" (3/3) ... [2020-10-16 12:00:14,323 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_power.oepc.i [2020-10-16 12:00:14,335 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:00:14,335 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:00:14,344 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:00:14,345 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:00:14,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,384 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,384 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,384 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,385 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,391 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,408 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,408 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,418 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,418 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,421 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,421 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,421 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,421 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,430 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:14,432 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:00:14,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:00:14,468 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:00:14,468 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:00:14,468 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:00:14,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:00:14,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:00:14,468 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:00:14,469 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:00:14,469 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:00:14,483 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:00:14,484 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:00:14,487 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:00:14,489 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2020-10-16 12:00:14,540 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2020-10-16 12:00:14,540 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:00:14,550 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-16 12:00:14,554 INFO L117 LiptonReduction]: Number of co-enabled transitions 2832 [2020-10-16 12:00:15,090 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:00:15,219 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:00:15,528 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:00:17,315 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-16 12:00:17,458 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:00:17,470 INFO L132 LiptonReduction]: Checked pairs total: 10148 [2020-10-16 12:00:17,471 INFO L134 LiptonReduction]: Total number of compositions: 87 [2020-10-16 12:00:17,477 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 96 flow [2020-10-16 12:00:18,044 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8006 states. [2020-10-16 12:00:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states. [2020-10-16 12:00:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:00:18,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:18,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:00:18,055 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:18,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:18,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1197792, now seen corresponding path program 1 times [2020-10-16 12:00:18,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:18,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192724235] [2020-10-16 12:00:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:18,329 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 12:00:18,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192724235] [2020-10-16 12:00:18,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:18,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:18,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669537953] [2020-10-16 12:00:18,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:18,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:18,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:18,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:18,356 INFO L87 Difference]: Start difference. First operand 8006 states. Second operand 3 states. [2020-10-16 12:00:18,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:18,532 INFO L93 Difference]: Finished difference Result 6672 states and 27188 transitions. [2020-10-16 12:00:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:18,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:00:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:18,609 INFO L225 Difference]: With dead ends: 6672 [2020-10-16 12:00:18,609 INFO L226 Difference]: Without dead ends: 4872 [2020-10-16 12:00:18,611 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 12:00:18,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2020-10-16 12:00:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2020-10-16 12:00:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2020-10-16 12:00:19,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 19508 transitions. [2020-10-16 12:00:19,040 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 19508 transitions. Word has length 3 [2020-10-16 12:00:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:19,041 INFO L481 AbstractCegarLoop]: Abstraction has 4872 states and 19508 transitions. [2020-10-16 12:00:19,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 19508 transitions. [2020-10-16 12:00:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:00:19,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:19,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:19,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:00:19,047 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:19,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:19,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2006136242, now seen corresponding path program 1 times [2020-10-16 12:00:19,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:19,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642404430] [2020-10-16 12:00:19,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:19,153 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 12:00:19,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642404430] [2020-10-16 12:00:19,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:19,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:00:19,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043657510] [2020-10-16 12:00:19,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:19,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:19,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:19,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:19,157 INFO L87 Difference]: Start difference. First operand 4872 states and 19508 transitions. Second operand 4 states. [2020-10-16 12:00:19,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:19,272 INFO L93 Difference]: Finished difference Result 5652 states and 21952 transitions. [2020-10-16 12:00:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:19,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:00:19,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:19,317 INFO L225 Difference]: With dead ends: 5652 [2020-10-16 12:00:19,318 INFO L226 Difference]: Without dead ends: 4752 [2020-10-16 12:00:19,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:19,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2020-10-16 12:00:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4752. [2020-10-16 12:00:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4752 states. [2020-10-16 12:00:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 18952 transitions. [2020-10-16 12:00:19,526 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 18952 transitions. Word has length 12 [2020-10-16 12:00:19,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:19,528 INFO L481 AbstractCegarLoop]: Abstraction has 4752 states and 18952 transitions. [2020-10-16 12:00:19,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 18952 transitions. [2020-10-16 12:00:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:00:19,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:19,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:19,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:00:19,532 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:19,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:19,533 INFO L82 PathProgramCache]: Analyzing trace with hash 181172003, now seen corresponding path program 1 times [2020-10-16 12:00:19,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:19,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928109272] [2020-10-16 12:00:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:19,611 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 12:00:19,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928109272] [2020-10-16 12:00:19,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:19,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:00:19,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624611054] [2020-10-16 12:00:19,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:19,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:19,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:19,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:19,613 INFO L87 Difference]: Start difference. First operand 4752 states and 18952 transitions. Second operand 4 states. [2020-10-16 12:00:19,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:19,675 INFO L93 Difference]: Finished difference Result 5112 states and 19810 transitions. [2020-10-16 12:00:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:19,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:00:19,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:19,813 INFO L225 Difference]: With dead ends: 5112 [2020-10-16 12:00:19,813 INFO L226 Difference]: Without dead ends: 4272 [2020-10-16 12:00:19,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2020-10-16 12:00:19,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 4272. [2020-10-16 12:00:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-10-16 12:00:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 16848 transitions. [2020-10-16 12:00:19,962 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 16848 transitions. Word has length 13 [2020-10-16 12:00:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:19,962 INFO L481 AbstractCegarLoop]: Abstraction has 4272 states and 16848 transitions. [2020-10-16 12:00:19,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 16848 transitions. [2020-10-16 12:00:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:00:19,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:19,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:19,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:00:19,966 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1642336915, now seen corresponding path program 1 times [2020-10-16 12:00:19,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:19,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507185468] [2020-10-16 12:00:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:20,072 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 12:00:20,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507185468] [2020-10-16 12:00:20,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:20,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:00:20,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494993264] [2020-10-16 12:00:20,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:20,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:20,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:20,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:20,078 INFO L87 Difference]: Start difference. First operand 4272 states and 16848 transitions. Second operand 4 states. [2020-10-16 12:00:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:20,148 INFO L93 Difference]: Finished difference Result 4472 states and 17218 transitions. [2020-10-16 12:00:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:20,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:00:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:20,171 INFO L225 Difference]: With dead ends: 4472 [2020-10-16 12:00:20,171 INFO L226 Difference]: Without dead ends: 3872 [2020-10-16 12:00:20,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2020-10-16 12:00:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2020-10-16 12:00:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-10-16 12:00:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 15108 transitions. [2020-10-16 12:00:20,297 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 15108 transitions. Word has length 14 [2020-10-16 12:00:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:20,298 INFO L481 AbstractCegarLoop]: Abstraction has 3872 states and 15108 transitions. [2020-10-16 12:00:20,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 15108 transitions. [2020-10-16 12:00:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:00:20,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:20,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:20,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:00:20,303 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:20,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:20,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2032185456, now seen corresponding path program 1 times [2020-10-16 12:00:20,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:20,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573349467] [2020-10-16 12:00:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:20,384 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 12:00:20,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573349467] [2020-10-16 12:00:20,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:20,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:00:20,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353389474] [2020-10-16 12:00:20,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:20,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:20,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:20,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:20,387 INFO L87 Difference]: Start difference. First operand 3872 states and 15108 transitions. Second operand 4 states. [2020-10-16 12:00:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:20,466 INFO L93 Difference]: Finished difference Result 3684 states and 13008 transitions. [2020-10-16 12:00:20,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:20,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 12:00:20,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:20,479 INFO L225 Difference]: With dead ends: 3684 [2020-10-16 12:00:20,479 INFO L226 Difference]: Without dead ends: 2784 [2020-10-16 12:00:20,480 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 12:00:20,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-10-16 12:00:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2020-10-16 12:00:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2020-10-16 12:00:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 9668 transitions. [2020-10-16 12:00:20,565 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 9668 transitions. Word has length 16 [2020-10-16 12:00:20,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:20,565 INFO L481 AbstractCegarLoop]: Abstraction has 2784 states and 9668 transitions. [2020-10-16 12:00:20,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 9668 transitions. [2020-10-16 12:00:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:00:20,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:20,571 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 12:00:20,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:00:20,571 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:20,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:20,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1475319590, now seen corresponding path program 1 times [2020-10-16 12:00:20,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:20,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202948524] [2020-10-16 12:00:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:20,719 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 12:00:20,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202948524] [2020-10-16 12:00:20,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:20,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:00:20,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582201459] [2020-10-16 12:00:20,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:00:20,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:20,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:00:20,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:20,722 INFO L87 Difference]: Start difference. First operand 2784 states and 9668 transitions. Second operand 5 states. [2020-10-16 12:00:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:20,900 INFO L93 Difference]: Finished difference Result 2228 states and 7144 transitions. [2020-10-16 12:00:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:00:20,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-16 12:00:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:20,907 INFO L225 Difference]: With dead ends: 2228 [2020-10-16 12:00:20,907 INFO L226 Difference]: Without dead ends: 1728 [2020-10-16 12:00:20,908 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 12:00:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2020-10-16 12:00:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2020-10-16 12:00:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2020-10-16 12:00:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 5444 transitions. [2020-10-16 12:00:20,954 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 5444 transitions. Word has length 19 [2020-10-16 12:00:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:20,954 INFO L481 AbstractCegarLoop]: Abstraction has 1728 states and 5444 transitions. [2020-10-16 12:00:20,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:00:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 5444 transitions. [2020-10-16 12:00:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:00:20,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:20,960 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] [2020-10-16 12:00:20,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:00:20,960 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:20,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:20,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1797204041, now seen corresponding path program 1 times [2020-10-16 12:00:20,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:20,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702544873] [2020-10-16 12:00:20,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:21,171 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 12:00:21,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702544873] [2020-10-16 12:00:21,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:21,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:00:21,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009128910] [2020-10-16 12:00:21,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:00:21,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:21,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:00:21,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:21,173 INFO L87 Difference]: Start difference. First operand 1728 states and 5444 transitions. Second operand 6 states. [2020-10-16 12:00:21,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:21,243 INFO L93 Difference]: Finished difference Result 1480 states and 4661 transitions. [2020-10-16 12:00:21,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:00:21,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-16 12:00:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:21,248 INFO L225 Difference]: With dead ends: 1480 [2020-10-16 12:00:21,248 INFO L226 Difference]: Without dead ends: 1340 [2020-10-16 12:00:21,249 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 12:00:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2020-10-16 12:00:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2020-10-16 12:00:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-16 12:00:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4280 transitions. [2020-10-16 12:00:21,282 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4280 transitions. Word has length 22 [2020-10-16 12:00:21,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:21,282 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 4280 transitions. [2020-10-16 12:00:21,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:00:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4280 transitions. [2020-10-16 12:00:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:00:21,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:21,287 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, 1, 1] [2020-10-16 12:00:21,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:00:21,287 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:21,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:21,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1787212742, now seen corresponding path program 1 times [2020-10-16 12:00:21,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:21,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309994095] [2020-10-16 12:00:21,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:21,529 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 12:00:21,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309994095] [2020-10-16 12:00:21,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:21,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:00:21,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355998036] [2020-10-16 12:00:21,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:00:21,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:21,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:00:21,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:00:21,532 INFO L87 Difference]: Start difference. First operand 1340 states and 4280 transitions. Second operand 8 states. [2020-10-16 12:00:21,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:21,847 INFO L93 Difference]: Finished difference Result 2219 states and 6758 transitions. [2020-10-16 12:00:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:00:21,847 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-10-16 12:00:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:21,855 INFO L225 Difference]: With dead ends: 2219 [2020-10-16 12:00:21,855 INFO L226 Difference]: Without dead ends: 2002 [2020-10-16 12:00:21,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:00:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2020-10-16 12:00:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1722. [2020-10-16 12:00:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2020-10-16 12:00:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 5397 transitions. [2020-10-16 12:00:21,907 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 5397 transitions. Word has length 26 [2020-10-16 12:00:21,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:21,908 INFO L481 AbstractCegarLoop]: Abstraction has 1722 states and 5397 transitions. [2020-10-16 12:00:21,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:00:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 5397 transitions. [2020-10-16 12:00:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:00:21,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:21,914 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, 1, 1] [2020-10-16 12:00:21,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:00:21,914 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:21,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:21,914 INFO L82 PathProgramCache]: Analyzing trace with hash -614540470, now seen corresponding path program 2 times [2020-10-16 12:00:21,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:21,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777462049] [2020-10-16 12:00:21,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:22,240 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 12:00:22,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777462049] [2020-10-16 12:00:22,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:22,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:00:22,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372792694] [2020-10-16 12:00:22,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:00:22,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:22,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:00:22,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:00:22,247 INFO L87 Difference]: Start difference. First operand 1722 states and 5397 transitions. Second operand 12 states. [2020-10-16 12:00:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:23,021 INFO L93 Difference]: Finished difference Result 2385 states and 7159 transitions. [2020-10-16 12:00:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 12:00:23,022 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-16 12:00:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:23,029 INFO L225 Difference]: With dead ends: 2385 [2020-10-16 12:00:23,029 INFO L226 Difference]: Without dead ends: 2179 [2020-10-16 12:00:23,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2020-10-16 12:00:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2179 states. [2020-10-16 12:00:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2179 to 1841. [2020-10-16 12:00:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-10-16 12:00:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 5678 transitions. [2020-10-16 12:00:23,083 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 5678 transitions. Word has length 26 [2020-10-16 12:00:23,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:23,083 INFO L481 AbstractCegarLoop]: Abstraction has 1841 states and 5678 transitions. [2020-10-16 12:00:23,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:00:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 5678 transitions. [2020-10-16 12:00:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:00:23,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:23,091 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, 1, 1] [2020-10-16 12:00:23,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:00:23,092 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:23,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:23,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1199614504, now seen corresponding path program 3 times [2020-10-16 12:00:23,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:23,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762750232] [2020-10-16 12:00:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:23,363 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 12:00:23,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762750232] [2020-10-16 12:00:23,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:23,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:00:23,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308026578] [2020-10-16 12:00:23,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:00:23,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:23,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:00:23,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:00:23,366 INFO L87 Difference]: Start difference. First operand 1841 states and 5678 transitions. Second operand 12 states. [2020-10-16 12:00:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:23,892 INFO L93 Difference]: Finished difference Result 2636 states and 7940 transitions. [2020-10-16 12:00:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 12:00:23,892 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-16 12:00:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:23,899 INFO L225 Difference]: With dead ends: 2636 [2020-10-16 12:00:23,899 INFO L226 Difference]: Without dead ends: 2531 [2020-10-16 12:00:23,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-16 12:00:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2020-10-16 12:00:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 1837. [2020-10-16 12:00:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2020-10-16 12:00:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 5697 transitions. [2020-10-16 12:00:23,958 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 5697 transitions. Word has length 26 [2020-10-16 12:00:23,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:23,958 INFO L481 AbstractCegarLoop]: Abstraction has 1837 states and 5697 transitions. [2020-10-16 12:00:23,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:00:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 5697 transitions. [2020-10-16 12:00:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:00:23,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:23,965 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, 1, 1] [2020-10-16 12:00:23,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:00:23,966 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:23,966 INFO L82 PathProgramCache]: Analyzing trace with hash 621849412, now seen corresponding path program 4 times [2020-10-16 12:00:23,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:23,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260422042] [2020-10-16 12:00:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:24,106 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 12:00:24,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260422042] [2020-10-16 12:00:24,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:24,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:00:24,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750131645] [2020-10-16 12:00:24,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:00:24,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:24,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:00:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:00:24,109 INFO L87 Difference]: Start difference. First operand 1837 states and 5697 transitions. Second operand 7 states. [2020-10-16 12:00:24,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:24,184 INFO L93 Difference]: Finished difference Result 1789 states and 5599 transitions. [2020-10-16 12:00:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:00:24,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-16 12:00:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:24,188 INFO L225 Difference]: With dead ends: 1789 [2020-10-16 12:00:24,188 INFO L226 Difference]: Without dead ends: 1439 [2020-10-16 12:00:24,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:00:24,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2020-10-16 12:00:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1439. [2020-10-16 12:00:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1439 states. [2020-10-16 12:00:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 4452 transitions. [2020-10-16 12:00:24,226 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 4452 transitions. Word has length 26 [2020-10-16 12:00:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:24,226 INFO L481 AbstractCegarLoop]: Abstraction has 1439 states and 4452 transitions. [2020-10-16 12:00:24,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:00:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 4452 transitions. [2020-10-16 12:00:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-16 12:00:24,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:24,231 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, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:24,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:00:24,232 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:24,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:24,232 INFO L82 PathProgramCache]: Analyzing trace with hash 948309034, now seen corresponding path program 1 times [2020-10-16 12:00:24,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:24,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975050258] [2020-10-16 12:00:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:24,702 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 12:00:24,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975050258] [2020-10-16 12:00:24,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:24,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:00:24,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45027733] [2020-10-16 12:00:24,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:00:24,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:24,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:00:24,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:00:24,704 INFO L87 Difference]: Start difference. First operand 1439 states and 4452 transitions. Second operand 9 states. [2020-10-16 12:00:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:24,981 INFO L93 Difference]: Finished difference Result 1490 states and 4559 transitions. [2020-10-16 12:00:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:00:24,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-16 12:00:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:24,985 INFO L225 Difference]: With dead ends: 1490 [2020-10-16 12:00:24,986 INFO L226 Difference]: Without dead ends: 1176 [2020-10-16 12:00:24,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:00:24,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-16 12:00:25,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 948. [2020-10-16 12:00:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-10-16 12:00:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 2986 transitions. [2020-10-16 12:00:25,010 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 2986 transitions. Word has length 30 [2020-10-16 12:00:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:25,011 INFO L481 AbstractCegarLoop]: Abstraction has 948 states and 2986 transitions. [2020-10-16 12:00:25,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:00:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 2986 transitions. [2020-10-16 12:00:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-16 12:00:25,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:25,014 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, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:25,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:00:25,015 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:25,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1514504028, now seen corresponding path program 2 times [2020-10-16 12:00:25,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:25,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090901741] [2020-10-16 12:00:25,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:25,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:25,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:25,175 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:00:25,175 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:00:25,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:00:25,219 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,224 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,224 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,226 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,226 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,227 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,227 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,227 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,228 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,228 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,229 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,229 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,229 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,229 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,229 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,230 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,230 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,230 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,230 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,230 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,230 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,231 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,231 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,231 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,231 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,231 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,232 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,232 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,232 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,232 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,232 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,233 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,233 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,233 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,233 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,233 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,233 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,234 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,234 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,234 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,234 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,234 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,235 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,235 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,235 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,235 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,235 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,236 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,236 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,236 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,236 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,236 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,237 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:25,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:25,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:25 BasicIcfg [2020-10-16 12:00:25,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:00:25,343 INFO L168 Benchmark]: Toolchain (without parser) took 14196.92 ms. Allocated memory was 148.4 MB in the beginning and 481.8 MB in the end (delta: 333.4 MB). Free memory was 101.8 MB in the beginning and 231.4 MB in the end (delta: -129.5 MB). Peak memory consumption was 203.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,343 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:00:25,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.74 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 157.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.20 ms. Allocated memory is still 205.5 MB. Free memory was 157.9 MB in the beginning and 155.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,346 INFO L168 Benchmark]: Boogie Preprocessor took 42.22 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,346 INFO L168 Benchmark]: RCFGBuilder took 2321.10 ms. Allocated memory was 205.5 MB in the beginning and 244.8 MB in the end (delta: 39.3 MB). Free memory was 152.0 MB in the beginning and 129.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,347 INFO L168 Benchmark]: TraceAbstraction took 11022.39 ms. Allocated memory was 244.8 MB in the beginning and 481.8 MB in the end (delta: 237.0 MB). Free memory was 127.8 MB in the beginning and 231.4 MB in the end (delta: -103.6 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:25,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.74 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 157.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.20 ms. Allocated memory is still 205.5 MB. Free memory was 157.9 MB in the beginning and 155.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.22 ms. Allocated memory is still 205.5 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2321.10 ms. Allocated memory was 205.5 MB in the beginning and 244.8 MB in the end (delta: 39.3 MB). Free memory was 152.0 MB in the beginning and 129.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11022.39 ms. Allocated memory was 244.8 MB in the beginning and 481.8 MB in the end (delta: 237.0 MB). Free memory was 127.8 MB in the beginning and 231.4 MB in the end (delta: -103.6 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1378 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 167 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 125 PlacesBefore, 50 PlacesAfterwards, 114 TransitionsBefore, 38 TransitionsAfterwards, 2832 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 87 TotalNumberOfCompositions, 10148 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p1_EBX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool a$flush_delayed; [L711] 0 int a$mem_tmp; [L712] 0 _Bool a$r_buff0_thd0; [L713] 0 _Bool a$r_buff0_thd1; [L714] 0 _Bool a$r_buff0_thd2; [L715] 0 _Bool a$r_buff0_thd3; [L716] 0 _Bool a$r_buff0_thd4; [L717] 0 _Bool a$r_buff1_thd0; [L718] 0 _Bool a$r_buff1_thd1; [L719] 0 _Bool a$r_buff1_thd2; [L720] 0 _Bool a$r_buff1_thd3; [L721] 0 _Bool a$r_buff1_thd4; [L722] 0 _Bool a$read_delayed; [L723] 0 int *a$read_delayed_var; [L724] 0 int a$w_buff0; [L725] 0 _Bool a$w_buff0_used; [L726] 0 int a$w_buff1; [L727] 0 _Bool a$w_buff1_used; [L728] 0 _Bool main$tmp_guard0; [L729] 0 _Bool main$tmp_guard1; [L731] 0 int x = 0; [L733] 0 int y = 0; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L858] 0 pthread_t t601; [L859] FCALL, FORK 0 pthread_create(&t601, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L741] 1 a$w_buff1 = a$w_buff0 [L742] 1 a$w_buff0 = 1 [L743] 1 a$w_buff1_used = a$w_buff0_used [L744] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L746] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L747] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L748] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L749] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L750] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L751] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L860] 0 pthread_t t602; [L861] FCALL, FORK 0 pthread_create(&t602, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L771] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L774] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L777] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L784] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L862] 0 pthread_t t603; [L863] FCALL, FORK 0 pthread_create(&t603, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L794] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L797] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L800] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L800] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L801] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L801] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L802] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L803] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L804] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L807] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L809] 3 return 0; [L864] 0 pthread_t t604; [L865] FCALL, FORK 0 pthread_create(&t604, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L814] 4 z = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L817] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L820] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L821] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L822] 4 a$flush_delayed = weak$$choice2 [L823] 4 a$mem_tmp = a [L824] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L824] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L824] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L824] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L825] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L825] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L826] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L826] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L826] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1 [L826] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L826] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L826] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L827] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L827] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L828] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L829] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L830] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 __unbuffered_p3_EBX = a [L832] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L832] 4 a = a$flush_delayed ? a$mem_tmp : a [L833] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=2] [L757] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L757] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L758] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L758] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L759] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L760] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L761] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L836] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L836] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L837] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L837] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L838] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L839] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L840] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L845] 4 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L871] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L871] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L871] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L871] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L872] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L872] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L873] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L873] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L874] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L875] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L878] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.7s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 572 SDtfs, 939 SDslu, 1810 SDs, 0 SdLazy, 1037 SolverSat, 218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8006occurred 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: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 47430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 incorrect! Received shutdown request...