/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:58:20,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:58:20,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:58:20,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 22:58:20,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:58:20,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:58:20,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:58:20,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:58:20,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:58:20,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:58:20,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:58:20,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:58:20,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:58:20,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:58:20,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:58:20,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:58:20,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:58:20,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:58:20,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:58:20,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:58:20,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:58:20,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:58:20,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:58:20,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:58:20,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 22:58:20,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 22:58:20,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 22:58:20,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 22:58:20,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 22:58:20,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-20 22:58:20,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:58:20,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:58:20,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:58:20,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 22:58:20,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:58:20,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:58:20,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:58:20,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:58:20,963 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:58:20,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:58:20,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:58:20,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:58:20,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:58:20,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:58:20,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:58:20,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:58:20,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:58:20,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:58:20,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:58:20,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:58:20,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:58:20,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:58:20,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:58:20,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:58:20,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:58:20,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:20,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:58:20,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:58:20,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 22:58:21,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:58:21,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:58:21,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:58:21,331 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:58:21,332 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:58:21,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-20 22:58:21,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6208af8/bb64f1557aa74f35a10a96b39f2bfc95/FLAGbb57cd539 [2020-07-20 22:58:21,887 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:58:21,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-20 22:58:21,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6208af8/bb64f1557aa74f35a10a96b39f2bfc95/FLAGbb57cd539 [2020-07-20 22:58:22,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6208af8/bb64f1557aa74f35a10a96b39f2bfc95 [2020-07-20 22:58:22,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:58:22,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:58:22,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:58:22,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:58:22,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:58:22,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27acd94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22, skipping insertion in model container [2020-07-20 22:58:22,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:58:22,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:58:22,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:58:22,537 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:58:22,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:58:22,713 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:58:22,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22 WrapperNode [2020-07-20 22:58:22,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:58:22,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:58:22,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:58:22,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:58:22,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... [2020-07-20 22:58:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:58:22,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:58:22,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:58:22,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:58:22,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:58:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:58:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:58:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-20 22:58:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-20 22:58:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-20 22:58:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-07-20 22:58:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-20 22:58:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-20 22:58:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-07-20 22:58:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-20 22:58:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-20 22:58:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-20 22:58:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-20 22:58:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-20 22:58:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-20 22:58:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-20 22:58:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-20 22:58:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:58:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:58:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:58:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-20 22:58:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-20 22:58:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-20 22:58:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-20 22:58:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-20 22:58:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-20 22:58:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-20 22:58:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-20 22:58:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-20 22:58:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:58:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:58:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:58:23,504 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:58:23,504 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-20 22:58:23,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:58:23 BoogieIcfgContainer [2020-07-20 22:58:23,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:58:23,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:58:23,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:58:23,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:58:23,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:58:22" (1/3) ... [2020-07-20 22:58:23,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af03f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:58:23, skipping insertion in model container [2020-07-20 22:58:23,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:58:22" (2/3) ... [2020-07-20 22:58:23,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af03f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:58:23, skipping insertion in model container [2020-07-20 22:58:23,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:58:23" (3/3) ... [2020-07-20 22:58:23,520 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-07-20 22:58:23,531 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:58:23,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:58:23,552 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:58:23,580 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:58:23,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:58:23,581 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:58:23,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:58:23,581 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:58:23,582 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:58:23,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:58:23,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:58:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-20 22:58:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 22:58:23,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:23,621 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, 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, 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] [2020-07-20 22:58:23,622 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:23,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-07-20 22:58:23,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:23,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530084915] [2020-07-20 22:58:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:23,784 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 22:58:23,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:23,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:23,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:23,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:23,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530084915] [2020-07-20 22:58:23,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:23,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:23,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511168357] [2020-07-20 22:58:23,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:23,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:23,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:23,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:23,901 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-07-20 22:58:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:23,981 INFO L93 Difference]: Finished difference Result 320 states and 454 transitions. [2020-07-20 22:58:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:23,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-20 22:58:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:24,001 INFO L225 Difference]: With dead ends: 320 [2020-07-20 22:58:24,002 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 22:58:24,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:24,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 22:58:24,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-20 22:58:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 22:58:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2020-07-20 22:58:24,082 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 90 [2020-07-20 22:58:24,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:24,099 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2020-07-20 22:58:24,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2020-07-20 22:58:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 22:58:24,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:24,110 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, 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, 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] [2020-07-20 22:58:24,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:24,312 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:24,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash -387310403, now seen corresponding path program 1 times [2020-07-20 22:58:24,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:24,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135878628] [2020-07-20 22:58:24,316 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:24,415 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:24,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:24,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:24,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:24,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:24,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135878628] [2020-07-20 22:58:24,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:24,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:24,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849687912] [2020-07-20 22:58:24,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:24,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:24,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:24,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:24,454 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand 3 states. [2020-07-20 22:58:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:24,525 INFO L93 Difference]: Finished difference Result 432 states and 593 transitions. [2020-07-20 22:58:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:24,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-20 22:58:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:24,533 INFO L225 Difference]: With dead ends: 432 [2020-07-20 22:58:24,533 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 22:58:24,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:24,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 22:58:24,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2020-07-20 22:58:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-20 22:58:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 396 transitions. [2020-07-20 22:58:24,581 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 396 transitions. Word has length 90 [2020-07-20 22:58:24,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:24,582 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 396 transitions. [2020-07-20 22:58:24,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 396 transitions. [2020-07-20 22:58:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:24,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:24,586 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, 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, 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, 1] [2020-07-20 22:58:24,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:24,788 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:24,789 INFO L82 PathProgramCache]: Analyzing trace with hash 16326453, now seen corresponding path program 1 times [2020-07-20 22:58:24,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:24,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772783639] [2020-07-20 22:58:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:24,866 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 22:58:24,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:24,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:24,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:24,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:24,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772783639] [2020-07-20 22:58:24,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:24,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:24,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839584001] [2020-07-20 22:58:24,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:24,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:24,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:24,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:24,895 INFO L87 Difference]: Start difference. First operand 288 states and 396 transitions. Second operand 3 states. [2020-07-20 22:58:24,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:24,933 INFO L93 Difference]: Finished difference Result 548 states and 754 transitions. [2020-07-20 22:58:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:24,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-07-20 22:58:24,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:24,938 INFO L225 Difference]: With dead ends: 548 [2020-07-20 22:58:24,938 INFO L226 Difference]: Without dead ends: 281 [2020-07-20 22:58:24,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-20 22:58:24,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2020-07-20 22:58:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-20 22:58:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2020-07-20 22:58:24,996 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 91 [2020-07-20 22:58:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:24,996 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2020-07-20 22:58:24,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2020-07-20 22:58:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:25,001 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:25,004 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, 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, 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, 1] [2020-07-20 22:58:25,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:25,217 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:25,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1717777997, now seen corresponding path program 1 times [2020-07-20 22:58:25,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:25,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68785677] [2020-07-20 22:58:25,218 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:25,278 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:25,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:25,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 22:58:25,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:25,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:25,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68785677] [2020-07-20 22:58:25,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:25,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 22:58:25,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650626448] [2020-07-20 22:58:25,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:58:25,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:25,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:58:25,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:25,339 INFO L87 Difference]: Start difference. First operand 281 states and 383 transitions. Second operand 6 states. [2020-07-20 22:58:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:25,401 INFO L93 Difference]: Finished difference Result 559 states and 785 transitions. [2020-07-20 22:58:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:58:25,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 22:58:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:25,406 INFO L225 Difference]: With dead ends: 559 [2020-07-20 22:58:25,406 INFO L226 Difference]: Without dead ends: 299 [2020-07-20 22:58:25,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:58:25,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-07-20 22:58:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2020-07-20 22:58:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-07-20 22:58:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2020-07-20 22:58:25,450 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 91 [2020-07-20 22:58:25,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:25,450 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2020-07-20 22:58:25,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:58:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2020-07-20 22:58:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:25,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:25,453 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, 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, 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, 1] [2020-07-20 22:58:25,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:25,669 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash -179437967, now seen corresponding path program 1 times [2020-07-20 22:58:25,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:25,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490611688] [2020-07-20 22:58:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:25,729 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:25,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:25,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 22:58:25,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:25,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:25,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490611688] [2020-07-20 22:58:25,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:25,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 22:58:25,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310619462] [2020-07-20 22:58:25,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:58:25,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:25,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:58:25,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:25,774 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand 6 states. [2020-07-20 22:58:25,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:25,827 INFO L93 Difference]: Finished difference Result 604 states and 865 transitions. [2020-07-20 22:58:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:58:25,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 22:58:25,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:25,831 INFO L225 Difference]: With dead ends: 604 [2020-07-20 22:58:25,832 INFO L226 Difference]: Without dead ends: 326 [2020-07-20 22:58:25,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:58:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-20 22:58:25,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 311. [2020-07-20 22:58:25,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-07-20 22:58:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 421 transitions. [2020-07-20 22:58:25,875 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 421 transitions. Word has length 91 [2020-07-20 22:58:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:25,875 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 421 transitions. [2020-07-20 22:58:25,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:58:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 421 transitions. [2020-07-20 22:58:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:25,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:25,881 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, 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, 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, 1] [2020-07-20 22:58:26,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:26,096 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:26,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:26,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1076831245, now seen corresponding path program 1 times [2020-07-20 22:58:26,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:26,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420964919] [2020-07-20 22:58:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:26,155 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:26,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:26,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 22:58:26,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:26,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:26,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420964919] [2020-07-20 22:58:26,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:26,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 22:58:26,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319528695] [2020-07-20 22:58:26,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:58:26,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:26,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:58:26,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:26,198 INFO L87 Difference]: Start difference. First operand 311 states and 421 transitions. Second operand 6 states. [2020-07-20 22:58:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:26,253 INFO L93 Difference]: Finished difference Result 619 states and 876 transitions. [2020-07-20 22:58:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:58:26,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 22:58:26,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:26,257 INFO L225 Difference]: With dead ends: 619 [2020-07-20 22:58:26,257 INFO L226 Difference]: Without dead ends: 329 [2020-07-20 22:58:26,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:58:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-07-20 22:58:26,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2020-07-20 22:58:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-20 22:58:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 434 transitions. [2020-07-20 22:58:26,284 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 434 transitions. Word has length 91 [2020-07-20 22:58:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:26,285 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 434 transitions. [2020-07-20 22:58:26,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:58:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 434 transitions. [2020-07-20 22:58:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:26,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:26,287 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, 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, 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, 1, 1, 1, 1, 1] [2020-07-20 22:58:26,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:26,502 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:26,502 INFO L82 PathProgramCache]: Analyzing trace with hash 974152753, now seen corresponding path program 1 times [2020-07-20 22:58:26,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:26,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822540312] [2020-07-20 22:58:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:26,602 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:58:26,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:26,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 22:58:26,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:26,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:26,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822540312] [2020-07-20 22:58:26,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:26,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:58:26,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484330358] [2020-07-20 22:58:26,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:26,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:26,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:26,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:58:26,660 INFO L87 Difference]: Start difference. First operand 323 states and 434 transitions. Second operand 5 states. [2020-07-20 22:58:27,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:27,329 INFO L93 Difference]: Finished difference Result 939 states and 1319 transitions. [2020-07-20 22:58:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:58:27,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 22:58:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:27,333 INFO L225 Difference]: With dead ends: 939 [2020-07-20 22:58:27,334 INFO L226 Difference]: Without dead ends: 636 [2020-07-20 22:58:27,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:58:27,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-07-20 22:58:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 585. [2020-07-20 22:58:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 22:58:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 777 transitions. [2020-07-20 22:58:27,372 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 777 transitions. Word has length 91 [2020-07-20 22:58:27,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:27,372 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 777 transitions. [2020-07-20 22:58:27,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 777 transitions. [2020-07-20 22:58:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:27,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:27,374 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, 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, 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, 1] [2020-07-20 22:58:27,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:27,589 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:27,590 INFO L82 PathProgramCache]: Analyzing trace with hash 504158833, now seen corresponding path program 1 times [2020-07-20 22:58:27,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:27,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170699461] [2020-07-20 22:58:27,592 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:27,663 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:58:27,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:27,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 22:58:27,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:27,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:27,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170699461] [2020-07-20 22:58:27,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:27,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:58:27,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782512323] [2020-07-20 22:58:27,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:27,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:27,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:27,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:58:27,704 INFO L87 Difference]: Start difference. First operand 585 states and 777 transitions. Second operand 5 states. [2020-07-20 22:58:28,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:28,067 INFO L93 Difference]: Finished difference Result 1150 states and 1547 transitions. [2020-07-20 22:58:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:58:28,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 22:58:28,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:28,073 INFO L225 Difference]: With dead ends: 1150 [2020-07-20 22:58:28,073 INFO L226 Difference]: Without dead ends: 585 [2020-07-20 22:58:28,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:28,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-07-20 22:58:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2020-07-20 22:58:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 22:58:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 765 transitions. [2020-07-20 22:58:28,120 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 765 transitions. Word has length 91 [2020-07-20 22:58:28,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:28,121 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 765 transitions. [2020-07-20 22:58:28,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:28,121 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 765 transitions. [2020-07-20 22:58:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:28,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:28,122 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, 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, 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, 1] [2020-07-20 22:58:28,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:28,338 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:28,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1221467983, now seen corresponding path program 1 times [2020-07-20 22:58:28,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:28,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77210028] [2020-07-20 22:58:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:28,431 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:58:28,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:28,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 22:58:28,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:28,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:28,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77210028] [2020-07-20 22:58:28,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:28,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:58:28,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527040662] [2020-07-20 22:58:28,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:28,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:28,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:28,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:58:28,486 INFO L87 Difference]: Start difference. First operand 585 states and 765 transitions. Second operand 5 states. [2020-07-20 22:58:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:28,841 INFO L93 Difference]: Finished difference Result 1150 states and 1523 transitions. [2020-07-20 22:58:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:58:28,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 22:58:28,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:28,845 INFO L225 Difference]: With dead ends: 1150 [2020-07-20 22:58:28,845 INFO L226 Difference]: Without dead ends: 585 [2020-07-20 22:58:28,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:28,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-07-20 22:58:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2020-07-20 22:58:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 22:58:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 753 transitions. [2020-07-20 22:58:28,882 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 753 transitions. Word has length 91 [2020-07-20 22:58:28,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:28,883 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 753 transitions. [2020-07-20 22:58:28,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 753 transitions. [2020-07-20 22:58:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:28,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:28,885 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, 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, 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, 1] [2020-07-20 22:58:29,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:29,100 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:29,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1118675569, now seen corresponding path program 1 times [2020-07-20 22:58:29,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:29,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122689325] [2020-07-20 22:58:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:29,174 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:58:29,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:29,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 22:58:29,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:29,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:29,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122689325] [2020-07-20 22:58:29,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:29,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:58:29,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888046518] [2020-07-20 22:58:29,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:29,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:29,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:29,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:58:29,211 INFO L87 Difference]: Start difference. First operand 585 states and 753 transitions. Second operand 5 states. [2020-07-20 22:58:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:29,691 INFO L93 Difference]: Finished difference Result 1468 states and 2021 transitions. [2020-07-20 22:58:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:58:29,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 22:58:29,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:29,698 INFO L225 Difference]: With dead ends: 1468 [2020-07-20 22:58:29,698 INFO L226 Difference]: Without dead ends: 903 [2020-07-20 22:58:29,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:29,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-07-20 22:58:29,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 767. [2020-07-20 22:58:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-07-20 22:58:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 946 transitions. [2020-07-20 22:58:29,752 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 946 transitions. Word has length 91 [2020-07-20 22:58:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:29,752 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 946 transitions. [2020-07-20 22:58:29,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 946 transitions. [2020-07-20 22:58:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:29,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:29,754 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, 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, 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, 1] [2020-07-20 22:58:29,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:29,968 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:29,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:29,969 INFO L82 PathProgramCache]: Analyzing trace with hash -505464655, now seen corresponding path program 1 times [2020-07-20 22:58:29,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:29,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448936603] [2020-07-20 22:58:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:30,048 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:58:30,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:30,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 22:58:30,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:30,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:30,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448936603] [2020-07-20 22:58:30,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:30,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:58:30,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985937690] [2020-07-20 22:58:30,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:30,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:30,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:30,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:58:30,090 INFO L87 Difference]: Start difference. First operand 767 states and 946 transitions. Second operand 5 states. [2020-07-20 22:58:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:30,596 INFO L93 Difference]: Finished difference Result 1748 states and 2315 transitions. [2020-07-20 22:58:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:58:30,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 22:58:30,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:30,604 INFO L225 Difference]: With dead ends: 1748 [2020-07-20 22:58:30,604 INFO L226 Difference]: Without dead ends: 1001 [2020-07-20 22:58:30,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:58:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-20 22:58:30,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 804. [2020-07-20 22:58:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-07-20 22:58:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 960 transitions. [2020-07-20 22:58:30,667 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 960 transitions. Word has length 91 [2020-07-20 22:58:30,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:30,668 INFO L479 AbstractCegarLoop]: Abstraction has 804 states and 960 transitions. [2020-07-20 22:58:30,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 960 transitions. [2020-07-20 22:58:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 22:58:30,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:30,669 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, 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, 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, 1] [2020-07-20 22:58:30,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:30,883 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:30,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:30,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1417763379, now seen corresponding path program 1 times [2020-07-20 22:58:30,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:30,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207401346] [2020-07-20 22:58:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:30,961 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:58:30,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:30,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 22:58:30,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:30,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:30,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207401346] [2020-07-20 22:58:30,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:30,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:30,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129686436] [2020-07-20 22:58:30,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:30,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:30,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:30,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:30,997 INFO L87 Difference]: Start difference. First operand 804 states and 960 transitions. Second operand 3 states. [2020-07-20 22:58:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:31,123 INFO L93 Difference]: Finished difference Result 2326 states and 2846 transitions. [2020-07-20 22:58:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:31,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-07-20 22:58:31,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:31,131 INFO L225 Difference]: With dead ends: 2326 [2020-07-20 22:58:31,132 INFO L226 Difference]: Without dead ends: 1543 [2020-07-20 22:58:31,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:31,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2020-07-20 22:58:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1535. [2020-07-20 22:58:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-07-20 22:58:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1831 transitions. [2020-07-20 22:58:31,227 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1831 transitions. Word has length 91 [2020-07-20 22:58:31,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:31,227 INFO L479 AbstractCegarLoop]: Abstraction has 1535 states and 1831 transitions. [2020-07-20 22:58:31,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1831 transitions. [2020-07-20 22:58:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 22:58:31,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:31,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:31,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:31,443 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:31,444 INFO L82 PathProgramCache]: Analyzing trace with hash 36587625, now seen corresponding path program 1 times [2020-07-20 22:58:31,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:31,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406514066] [2020-07-20 22:58:31,445 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:31,490 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 22:58:31,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:31,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 22:58:31,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:31,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:31,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406514066] [2020-07-20 22:58:31,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:31,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:31,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121031685] [2020-07-20 22:58:31,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:31,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:31,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:31,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:31,508 INFO L87 Difference]: Start difference. First operand 1535 states and 1831 transitions. Second operand 3 states. [2020-07-20 22:58:31,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:31,658 INFO L93 Difference]: Finished difference Result 4515 states and 5461 transitions. [2020-07-20 22:58:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:31,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 22:58:31,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:31,672 INFO L225 Difference]: With dead ends: 4515 [2020-07-20 22:58:31,672 INFO L226 Difference]: Without dead ends: 2282 [2020-07-20 22:58:31,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-07-20 22:58:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2282. [2020-07-20 22:58:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2020-07-20 22:58:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 2751 transitions. [2020-07-20 22:58:31,865 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 2751 transitions. Word has length 111 [2020-07-20 22:58:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:31,866 INFO L479 AbstractCegarLoop]: Abstraction has 2282 states and 2751 transitions. [2020-07-20 22:58:31,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2751 transitions. [2020-07-20 22:58:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 22:58:31,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:31,870 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:32,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:32,084 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:32,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:32,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1178118941, now seen corresponding path program 1 times [2020-07-20 22:58:32,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:32,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8998491] [2020-07-20 22:58:32,085 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:32,143 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:32,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:32,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:32,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:58:32,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:32,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8998491] [2020-07-20 22:58:32,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:32,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:32,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313924186] [2020-07-20 22:58:32,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:32,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:32,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:32,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:32,177 INFO L87 Difference]: Start difference. First operand 2282 states and 2751 transitions. Second operand 3 states. [2020-07-20 22:58:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:32,346 INFO L93 Difference]: Finished difference Result 6126 states and 7680 transitions. [2020-07-20 22:58:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:32,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-20 22:58:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:32,369 INFO L225 Difference]: With dead ends: 6126 [2020-07-20 22:58:32,370 INFO L226 Difference]: Without dead ends: 3866 [2020-07-20 22:58:32,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:32,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2020-07-20 22:58:32,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3863. [2020-07-20 22:58:32,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3863 states. [2020-07-20 22:58:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 4799 transitions. [2020-07-20 22:58:32,687 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 4799 transitions. Word has length 155 [2020-07-20 22:58:32,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:32,688 INFO L479 AbstractCegarLoop]: Abstraction has 3863 states and 4799 transitions. [2020-07-20 22:58:32,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 4799 transitions. [2020-07-20 22:58:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 22:58:32,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:32,696 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:32,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:32,910 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash -390866386, now seen corresponding path program 1 times [2020-07-20 22:58:32,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:32,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614059965] [2020-07-20 22:58:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:32,972 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:32,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:32,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:32,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 22:58:33,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:33,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614059965] [2020-07-20 22:58:33,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:33,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:33,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122541491] [2020-07-20 22:58:33,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:33,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:33,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:33,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:33,002 INFO L87 Difference]: Start difference. First operand 3863 states and 4799 transitions. Second operand 3 states. [2020-07-20 22:58:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:33,419 INFO L93 Difference]: Finished difference Result 9789 states and 12995 transitions. [2020-07-20 22:58:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:33,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-20 22:58:33,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:33,457 INFO L225 Difference]: With dead ends: 9789 [2020-07-20 22:58:33,457 INFO L226 Difference]: Without dead ends: 5948 [2020-07-20 22:58:33,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2020-07-20 22:58:33,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5936. [2020-07-20 22:58:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5936 states. [2020-07-20 22:58:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 7519 transitions. [2020-07-20 22:58:33,910 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 7519 transitions. Word has length 156 [2020-07-20 22:58:33,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:33,912 INFO L479 AbstractCegarLoop]: Abstraction has 5936 states and 7519 transitions. [2020-07-20 22:58:33,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 7519 transitions. [2020-07-20 22:58:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-20 22:58:33,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:33,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2020-07-20 22:58:34,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:34,134 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:34,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:34,134 INFO L82 PathProgramCache]: Analyzing trace with hash 372492048, now seen corresponding path program 1 times [2020-07-20 22:58:34,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:34,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271109665] [2020-07-20 22:58:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:34,194 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 22:58:34,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:34,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 22:58:34,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-20 22:58:34,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:34,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271109665] [2020-07-20 22:58:34,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:34,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:34,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485133186] [2020-07-20 22:58:34,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:34,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:34,232 INFO L87 Difference]: Start difference. First operand 5936 states and 7519 transitions. Second operand 3 states. [2020-07-20 22:58:34,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:34,611 INFO L93 Difference]: Finished difference Result 11852 states and 15271 transitions. [2020-07-20 22:58:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:34,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-07-20 22:58:34,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:34,643 INFO L225 Difference]: With dead ends: 11852 [2020-07-20 22:58:34,643 INFO L226 Difference]: Without dead ends: 5939 [2020-07-20 22:58:34,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2020-07-20 22:58:34,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 5936. [2020-07-20 22:58:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5936 states. [2020-07-20 22:58:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 7203 transitions. [2020-07-20 22:58:35,007 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 7203 transitions. Word has length 200 [2020-07-20 22:58:35,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:35,008 INFO L479 AbstractCegarLoop]: Abstraction has 5936 states and 7203 transitions. [2020-07-20 22:58:35,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 7203 transitions. [2020-07-20 22:58:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 22:58:35,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:35,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:35,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:35,231 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1766100183, now seen corresponding path program 1 times [2020-07-20 22:58:35,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:35,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417835678] [2020-07-20 22:58:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:35,331 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:58:35,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:35,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 22:58:35,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 22:58:35,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:58:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-20 22:58:35,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417835678] [2020-07-20 22:58:35,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 22:58:35,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2020-07-20 22:58:35,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73105078] [2020-07-20 22:58:35,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:58:35,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:35,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:58:35,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:35,658 INFO L87 Difference]: Start difference. First operand 5936 states and 7203 transitions. Second operand 5 states. [2020-07-20 22:58:36,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:36,348 INFO L93 Difference]: Finished difference Result 10231 states and 12487 transitions. [2020-07-20 22:58:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:58:36,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-07-20 22:58:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:36,376 INFO L225 Difference]: With dead ends: 10231 [2020-07-20 22:58:36,377 INFO L226 Difference]: Without dead ends: 5377 [2020-07-20 22:58:36,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:58:36,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5377 states. [2020-07-20 22:58:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5377 to 5371. [2020-07-20 22:58:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5371 states. [2020-07-20 22:58:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 6502 transitions. [2020-07-20 22:58:36,777 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 6502 transitions. Word has length 157 [2020-07-20 22:58:36,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:36,777 INFO L479 AbstractCegarLoop]: Abstraction has 5371 states and 6502 transitions. [2020-07-20 22:58:36,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:58:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 6502 transitions. [2020-07-20 22:58:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-20 22:58:36,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:36,785 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:36,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:37,000 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:37,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:37,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1906477626, now seen corresponding path program 1 times [2020-07-20 22:58:37,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:37,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667520018] [2020-07-20 22:58:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:37,080 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:37,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:37,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:37,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 22:58:37,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:37,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667520018] [2020-07-20 22:58:37,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:37,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:37,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540891732] [2020-07-20 22:58:37,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:37,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:37,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:37,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:37,146 INFO L87 Difference]: Start difference. First operand 5371 states and 6502 transitions. Second operand 3 states. [2020-07-20 22:58:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:37,448 INFO L93 Difference]: Finished difference Result 8753 states and 10853 transitions. [2020-07-20 22:58:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:37,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-07-20 22:58:37,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:37,470 INFO L225 Difference]: With dead ends: 8753 [2020-07-20 22:58:37,471 INFO L226 Difference]: Without dead ends: 5371 [2020-07-20 22:58:37,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2020-07-20 22:58:37,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 5340. [2020-07-20 22:58:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5340 states. [2020-07-20 22:58:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 6366 transitions. [2020-07-20 22:58:37,737 INFO L78 Accepts]: Start accepts. Automaton has 5340 states and 6366 transitions. Word has length 206 [2020-07-20 22:58:37,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:37,738 INFO L479 AbstractCegarLoop]: Abstraction has 5340 states and 6366 transitions. [2020-07-20 22:58:37,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:37,738 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 6366 transitions. [2020-07-20 22:58:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-20 22:58:37,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:37,745 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:37,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:37,959 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:37,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1382123670, now seen corresponding path program 1 times [2020-07-20 22:58:37,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:37,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896059123] [2020-07-20 22:58:37,961 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:38,030 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:58:38,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:58:38,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:58:38,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:58:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 22:58:38,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:58:38,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896059123] [2020-07-20 22:58:38,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:58:38,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:58:38,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116707176] [2020-07-20 22:58:38,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:58:38,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:58:38,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:58:38,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:38,069 INFO L87 Difference]: Start difference. First operand 5340 states and 6366 transitions. Second operand 3 states. [2020-07-20 22:58:38,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:58:38,527 INFO L93 Difference]: Finished difference Result 10911 states and 13242 transitions. [2020-07-20 22:58:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:58:38,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-07-20 22:58:38,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:58:38,564 INFO L225 Difference]: With dead ends: 10911 [2020-07-20 22:58:38,564 INFO L226 Difference]: Without dead ends: 2874 [2020-07-20 22:58:38,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:58:38,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2020-07-20 22:58:38,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2748. [2020-07-20 22:58:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2748 states. [2020-07-20 22:58:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3137 transitions. [2020-07-20 22:58:38,805 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3137 transitions. Word has length 207 [2020-07-20 22:58:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:58:38,806 INFO L479 AbstractCegarLoop]: Abstraction has 2748 states and 3137 transitions. [2020-07-20 22:58:38,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:58:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3137 transitions. [2020-07-20 22:58:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 22:58:38,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:58:38,816 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:58:39,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:39,030 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:58:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:58:39,030 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-07-20 22:58:39,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:58:39,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798805220] [2020-07-20 22:58:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:39,173 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:58:39,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 22:58:39,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 22:58:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 22:58:39,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 22:58:39,469 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 22:58:39,469 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 22:58:39,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:58:39,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:58:39 BoogieIcfgContainer [2020-07-20 22:58:39,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:58:39,899 INFO L168 Benchmark]: Toolchain (without parser) took 17630.28 ms. Allocated memory was 147.8 MB in the beginning and 582.5 MB in the end (delta: 434.6 MB). Free memory was 105.4 MB in the beginning and 233.3 MB in the end (delta: -127.9 MB). Peak memory consumption was 306.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:58:39,899 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 22:58:39,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.22 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 105.0 MB in the beginning and 181.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-20 22:58:39,901 INFO L168 Benchmark]: Boogie Preprocessor took 89.52 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 179.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:58:39,904 INFO L168 Benchmark]: RCFGBuilder took 700.11 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 143.1 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-07-20 22:58:39,905 INFO L168 Benchmark]: TraceAbstraction took 16384.01 ms. Allocated memory was 203.9 MB in the beginning and 582.5 MB in the end (delta: 378.5 MB). Free memory was 142.1 MB in the beginning and 233.3 MB in the end (delta: -91.2 MB). Peak memory consumption was 287.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:58:39,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 450.22 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 105.0 MB in the beginning and 181.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.52 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 179.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 700.11 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 143.1 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16384.01 ms. Allocated memory was 203.9 MB in the beginning and 582.5 MB in the end (delta: 378.5 MB). Free memory was 142.1 MB in the beginning and 233.3 MB in the end (delta: -91.2 MB). Peak memory consumption was 287.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int t2_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int t2_i ; [L24] int M_E = 2; [L25] int T1_E = 2; [L26] int T2_E = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; VAL [\old(E_1)=14, \old(E_2)=4, \old(M_E)=6, \old(m_i)=3, \old(m_pc)=7, \old(m_st)=8, \old(T1_E)=15, \old(t1_i)=12, \old(t1_pc)=13, \old(t1_st)=11, \old(T2_E)=10, \old(t2_i)=9, \old(t2_pc)=16, \old(t2_st)=5, E_1=2, E_2=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L563] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L567] CALL init_model() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L477] m_i = 1 [L478] t1_i = 1 [L479] t2_i = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L567] RET init_model() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L568] CALL start_simulation() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L504] int kernel_st ; [L505] int tmp ; [L506] int tmp___0 ; [L510] kernel_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L511] FCALL update_channels() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L512] CALL init_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L211] COND TRUE m_i == 1 [L212] m_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L216] COND TRUE t1_i == 1 [L217] t1_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L221] COND TRUE t2_i == 1 [L222] t2_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L512] RET init_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L513] CALL fire_delta_events() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L324] COND FALSE !(M_E == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L329] COND FALSE !(T1_E == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L334] COND FALSE !(T2_E == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L339] COND FALSE !(E_1 == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L344] COND FALSE !(E_2 == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L513] RET fire_delta_events() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L514] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L146] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L165] COND FALSE !(t1_pc == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L175] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, is_transmit1_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L184] COND FALSE !(t2_pc == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L194] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, is_transmit2_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0] [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0, tmp___1=0] [L514] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L515] CALL reset_delta_events() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L357] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L362] COND FALSE !(T1_E == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L367] COND FALSE !(T2_E == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L372] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L377] COND FALSE !(E_2 == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L515] RET reset_delta_events() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L518] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L521] kernel_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, kernel_st=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L522] CALL eval() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L257] int tmp ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L261] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L231] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L252] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=1, __retres1=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1] [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND FALSE !(\read(tmp_ndt_1)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0] [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L291] CALL transmit1() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L78] COND TRUE t1_pc == 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L89] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L91] t1_pc = 1 [L92] t1_st = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L291] RET transmit1() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1, tmp_ndt_3=1] [L305] CALL transmit2() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L113] COND TRUE t2_pc == 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L124] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L126] t2_pc = 1 [L127] t2_st = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L305] RET transmit2() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1, tmp_ndt_3=1] [L261] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1, tmp_ndt_3=1] [L264] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L231] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L252] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=1, __retres1=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L264] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1, tmp_ndt_3=1] [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1, tmp_ndt_3=1] [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp_ndt_1) [L276] m_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=1] [L277] CALL master() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L37] COND TRUE m_pc == 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L48] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L51] E_1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L52] CALL immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L425] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L146] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L165] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L166] COND TRUE E_1 == 1 [L167] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=1, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=1, __retres1=1, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, is_transmit1_triggered()=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND TRUE \read(tmp___0) [L404] t1_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L184] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L185] COND FALSE !(E_2 == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L194] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, is_transmit2_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1] [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1, tmp___1=0] [L425] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L52] RET immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L53] E_1 = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L56] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L58] m_pc = 1 [L59] m_st = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L277] RET master() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=1] [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=1] [L291] CALL transmit1() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L78] COND FALSE !(t1_pc == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L81] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L97] E_2 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L98] CALL immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L425] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L146] COND TRUE m_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L147] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_master_triggered()=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L165] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L166] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L175] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_transmit1_triggered()=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L184] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L185] COND TRUE E_2 == 1 [L186] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=1, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=1, __retres1=1, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_transmit2_triggered()=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0] [L409] tmp___1 = is_transmit2_triggered() [L411] COND TRUE \read(tmp___1) [L412] t2_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=0, tmp___0=0, tmp___1=1] [L425] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L98] RET immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L99] E_2 = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L89] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L91] t1_pc = 1 [L92] t1_st = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L291] RET transmit1() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=1] [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=1] [L305] CALL transmit2() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L113] COND FALSE !(t2_pc == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L116] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L132] CALL error() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L11] __VERIFIER_error() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.1s, OverallIterations: 20, TraceHistogramMax: 3, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4757 SDtfs, 3686 SDslu, 4550 SDs, 0 SdLazy, 1773 SolverSat, 727 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2430 GetRequests, 2374 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5936occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 600 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2490 NumberOfCodeBlocks, 1495 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2419 ConstructedInterpolants, 0 QuantifiedInterpolants, 483255 SizeOfPredicates, 24 NumberOfNonLiveVariables, 5381 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 504/533 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...