./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_02-simple_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_02-simple_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d425dfbbfb78faa29f27010b68bbdf8cfe9cd77f6a5b55b60367dae1036de9f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:45:33,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:45:33,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:45:33,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:45:33,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:45:33,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:45:33,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:45:33,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:45:33,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:45:33,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:45:33,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:45:33,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:45:33,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:45:33,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:45:33,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:45:33,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:45:33,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:45:33,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:45:33,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:45:33,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:45:33,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:45:33,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:45:33,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:45:33,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:45:33,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:45:33,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:45:33,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:45:33,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:45:33,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:45:33,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:45:33,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:45:33,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:45:33,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:45:33,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:45:33,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:45:33,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:45:33,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:45:33,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:45:33,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:45:33,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:45:33,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:45:33,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 16:45:33,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:45:33,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:45:33,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:45:33,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:45:33,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:45:33,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:45:33,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:45:33,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:45:33,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:45:33,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:45:33,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:45:33,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:45:33,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:45:33,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:45:33,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:45:33,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:45:33,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:45:33,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:45:33,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:45:33,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:45:33,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:45:33,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:45:33,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:45:33,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:45:33,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:45:33,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:45:33,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:45:33,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:45:33,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:45:33,780 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:45:33,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:45:33,780 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d425dfbbfb78faa29f27010b68bbdf8cfe9cd77f6a5b55b60367dae1036de9f1 [2022-11-25 16:45:34,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:45:34,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:45:34,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:45:34,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:45:34,140 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:45:34,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/04-mutex_02-simple_nr.i [2022-11-25 16:45:37,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:45:37,462 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:45:37,462 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/sv-benchmarks/c/goblint-regression/04-mutex_02-simple_nr.i [2022-11-25 16:45:37,487 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/data/e3b10ef80/7af8c3aedb724a498dcb81fa10753f2f/FLAGa7f9af952 [2022-11-25 16:45:37,518 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/data/e3b10ef80/7af8c3aedb724a498dcb81fa10753f2f [2022-11-25 16:45:37,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:45:37,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:45:37,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:45:37,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:45:37,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:45:37,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:45:37" (1/1) ... [2022-11-25 16:45:37,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c4e905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:37, skipping insertion in model container [2022-11-25 16:45:37,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:45:37" (1/1) ... [2022-11-25 16:45:37,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:45:37,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:45:38,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:45:38,155 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:45:38,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:45:38,288 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:45:38,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38 WrapperNode [2022-11-25 16:45:38,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:45:38,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:45:38,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:45:38,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:45:38,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,351 INFO L138 Inliner]: procedures = 262, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-25 16:45:38,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:45:38,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:45:38,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:45:38,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:45:38,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:45:38,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:45:38,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:45:38,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:45:38,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (1/1) ... [2022-11-25 16:45:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:45:38,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:45:38,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:45:38,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:45:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:45:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:45:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:45:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:45:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 16:45:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:45:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 16:45:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 16:45:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:45:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:45:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:45:38,488 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:45:38,674 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:45:38,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:45:38,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:45:38,910 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:45:38,911 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:45:38,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:38 BoogieIcfgContainer [2022-11-25 16:45:38,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:45:38,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:45:38,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:45:38,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:45:38,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:45:37" (1/3) ... [2022-11-25 16:45:38,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60afca85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:45:38, skipping insertion in model container [2022-11-25 16:45:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:45:38" (2/3) ... [2022-11-25 16:45:38,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60afca85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:45:38, skipping insertion in model container [2022-11-25 16:45:38,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:38" (3/3) ... [2022-11-25 16:45:38,945 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_02-simple_nr.i [2022-11-25 16:45:38,955 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:45:38,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:45:38,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 16:45:38,965 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:45:39,012 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 16:45:39,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 130 flow [2022-11-25 16:45:39,108 INFO L130 PetriNetUnfolder]: 0/60 cut-off events. [2022-11-25 16:45:39,109 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 16:45:39,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 60 events. 0/60 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-25 16:45:39,113 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 61 transitions, 130 flow [2022-11-25 16:45:39,117 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-11-25 16:45:39,125 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:45:39,149 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-11-25 16:45:39,152 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-11-25 16:45:39,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-11-25 16:45:39,177 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-11-25 16:45:39,178 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:45:39,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 16:45:39,184 INFO L119 LiptonReduction]: Number of co-enabled transitions 242 [2022-11-25 16:45:41,442 INFO L134 LiptonReduction]: Checked pairs total: 826 [2022-11-25 16:45:41,442 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-11-25 16:45:41,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:45:41,479 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@464831cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:45:41,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-25 16:45:41,487 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-11-25 16:45:41,487 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:45:41,487 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:41,488 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 16:45:41,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 16:45:41,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:41,494 INFO L85 PathProgramCache]: Analyzing trace with hash 206129, now seen corresponding path program 1 times [2022-11-25 16:45:41,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:41,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148336489] [2022-11-25 16:45:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:41,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:41,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148336489] [2022-11-25 16:45:41,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148336489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:41,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:41,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 16:45:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087732773] [2022-11-25 16:45:41,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:41,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:45:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:45:41,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:45:41,816 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 105 [2022-11-25 16:45:41,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:41,819 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:41,819 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 105 [2022-11-25 16:45:41,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:41,876 INFO L130 PetriNetUnfolder]: 20/54 cut-off events. [2022-11-25 16:45:41,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:45:41,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 54 events. 20/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 141 event pairs, 10 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 104. Up to 41 conditions per place. [2022-11-25 16:45:41,880 INFO L137 encePairwiseOnDemand]: 98/105 looper letters, 13 selfloop transitions, 3 changer transitions 4/20 dead transitions. [2022-11-25 16:45:41,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 20 transitions, 83 flow [2022-11-25 16:45:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:45:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:45:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2022-11-25 16:45:41,895 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2022-11-25 16:45:41,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 180 transitions. [2022-11-25 16:45:41,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 180 transitions. [2022-11-25 16:45:41,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:41,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 180 transitions. [2022-11-25 16:45:41,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:41,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:41,909 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:41,911 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 180 transitions. [2022-11-25 16:45:41,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 20 transitions, 83 flow [2022-11-25 16:45:41,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 20 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:45:41,916 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 47 flow [2022-11-25 16:45:41,918 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2022-11-25 16:45:41,922 INFO L288 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2022-11-25 16:45:41,922 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 47 flow [2022-11-25 16:45:41,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:41,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:41,923 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:45:41,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:45:41,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 16:45:41,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:41,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1846152740, now seen corresponding path program 1 times [2022-11-25 16:45:41,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:41,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324845248] [2022-11-25 16:45:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:41,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:42,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:42,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324845248] [2022-11-25 16:45:42,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324845248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:42,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:42,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:45:42,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81313868] [2022-11-25 16:45:42,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:42,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:45:42,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:45:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:45:42,070 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 105 [2022-11-25 16:45:42,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:42,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 105 [2022-11-25 16:45:42,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:42,114 INFO L130 PetriNetUnfolder]: 14/40 cut-off events. [2022-11-25 16:45:42,115 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-25 16:45:42,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 40 events. 14/40 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 92 event pairs, 6 based on Foata normal form. 4/44 useless extension candidates. Maximal degree in co-relation 92. Up to 26 conditions per place. [2022-11-25 16:45:42,116 INFO L137 encePairwiseOnDemand]: 100/105 looper letters, 11 selfloop transitions, 3 changer transitions 2/16 dead transitions. [2022-11-25 16:45:42,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 79 flow [2022-11-25 16:45:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:45:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 16:45:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 226 transitions. [2022-11-25 16:45:42,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5380952380952381 [2022-11-25 16:45:42,118 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 226 transitions. [2022-11-25 16:45:42,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 226 transitions. [2022-11-25 16:45:42,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:42,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 226 transitions. [2022-11-25 16:45:42,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,123 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,123 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 47 flow. Second operand 4 states and 226 transitions. [2022-11-25 16:45:42,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 79 flow [2022-11-25 16:45:42,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 76 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:45:42,125 INFO L231 Difference]: Finished difference. Result has 20 places, 12 transitions, 42 flow [2022-11-25 16:45:42,125 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=42, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2022-11-25 16:45:42,126 INFO L288 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2022-11-25 16:45:42,126 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 42 flow [2022-11-25 16:45:42,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:42,127 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:42,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:45:42,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 16:45:42,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:42,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1396091000, now seen corresponding path program 1 times [2022-11-25 16:45:42,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:42,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448397089] [2022-11-25 16:45:42,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:42,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:42,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448397089] [2022-11-25 16:45:42,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448397089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:42,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:42,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:45:42,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14601975] [2022-11-25 16:45:42,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:42,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:45:42,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:42,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:45:42,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:45:42,262 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 105 [2022-11-25 16:45:42,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:42,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 105 [2022-11-25 16:45:42,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:42,298 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-11-25 16:45:42,298 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:45:42,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 4/20 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2022-11-25 16:45:42,301 INFO L137 encePairwiseOnDemand]: 101/105 looper letters, 6 selfloop transitions, 4 changer transitions 0/12 dead transitions. [2022-11-25 16:45:42,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 12 transitions, 62 flow [2022-11-25 16:45:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:45:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:45:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2022-11-25 16:45:42,305 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5523809523809524 [2022-11-25 16:45:42,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 174 transitions. [2022-11-25 16:45:42,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 174 transitions. [2022-11-25 16:45:42,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:42,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 174 transitions. [2022-11-25 16:45:42,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,316 INFO L175 Difference]: Start difference. First operand has 20 places, 12 transitions, 42 flow. Second operand 3 states and 174 transitions. [2022-11-25 16:45:42,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 12 transitions, 62 flow [2022-11-25 16:45:42,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 12 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 16:45:42,318 INFO L231 Difference]: Finished difference. Result has 20 places, 12 transitions, 46 flow [2022-11-25 16:45:42,318 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2022-11-25 16:45:42,319 INFO L288 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2022-11-25 16:45:42,319 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 46 flow [2022-11-25 16:45:42,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,319 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:45:42,319 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:45:42,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:45:42,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 16:45:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:45:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash 331267827, now seen corresponding path program 1 times [2022-11-25 16:45:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:45:42,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417955198] [2022-11-25 16:45:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:45:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:45:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:45:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:42,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:45:42,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417955198] [2022-11-25 16:45:42,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417955198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:45:42,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:45:42,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:45:42,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451261684] [2022-11-25 16:45:42,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:45:42,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:45:42,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:45:42,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:45:42,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:45:42,445 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 105 [2022-11-25 16:45:42,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:45:42,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 105 [2022-11-25 16:45:42,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:45:42,481 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-25 16:45:42,481 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:45:42,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 14 events. 0/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 2/16 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2022-11-25 16:45:42,482 INFO L137 encePairwiseOnDemand]: 100/105 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2022-11-25 16:45:42,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 78 flow [2022-11-25 16:45:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:45:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 16:45:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 224 transitions. [2022-11-25 16:45:42,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-11-25 16:45:42,489 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 224 transitions. [2022-11-25 16:45:42,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 224 transitions. [2022-11-25 16:45:42,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:45:42,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 224 transitions. [2022-11-25 16:45:42,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,498 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,498 INFO L175 Difference]: Start difference. First operand has 20 places, 12 transitions, 46 flow. Second operand 4 states and 224 transitions. [2022-11-25 16:45:42,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 14 transitions, 78 flow [2022-11-25 16:45:42,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 69 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 16:45:42,500 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2022-11-25 16:45:42,500 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=31, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2022-11-25 16:45:42,502 INFO L288 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2022-11-25 16:45:42,502 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2022-11-25 16:45:42,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:42,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-11-25 16:45:42,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-11-25 16:45:42,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-25 16:45:42,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-11-25 16:45:42,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-11-25 16:45:42,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-11-25 16:45:42,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-11-25 16:45:42,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:45:42,507 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 16:45:42,516 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 16:45:42,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:45:42,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:45:42 BasicIcfg [2022-11-25 16:45:42,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:45:42,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:45:42,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:45:42,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:45:42,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:45:38" (3/4) ... [2022-11-25 16:45:42,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:45:42,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 16:45:42,544 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 16:45:42,544 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 16:45:42,544 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:45:42,591 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:45:42,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:45:42,592 INFO L158 Benchmark]: Toolchain (without parser) took 5067.30ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 98.6MB in the beginning and 122.1MB in the end (delta: -23.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,592 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:45:42,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.05ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 71.2MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.22ms. Allocated memory is still 144.7MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,595 INFO L158 Benchmark]: Boogie Preprocessor took 31.59ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,595 INFO L158 Benchmark]: RCFGBuilder took 528.33ms. Allocated memory is still 144.7MB. Free memory was 67.5MB in the beginning and 113.9MB in the end (delta: -46.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,595 INFO L158 Benchmark]: TraceAbstraction took 3590.94ms. Allocated memory is still 178.3MB. Free memory was 148.5MB in the beginning and 124.2MB in the end (delta: 24.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,596 INFO L158 Benchmark]: Witness Printer took 64.12ms. Allocated memory is still 178.3MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:45:42,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.05ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 71.2MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.22ms. Allocated memory is still 144.7MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.59ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.33ms. Allocated memory is still 144.7MB. Free memory was 67.5MB in the beginning and 113.9MB in the end (delta: -46.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3590.94ms. Allocated memory is still 178.3MB. Free memory was 148.5MB in the beginning and 124.2MB in the end (delta: 24.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 64.12ms. Allocated memory is still 178.3MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 56 PlacesBefore, 18 PlacesAfterwards, 52 TransitionsBefore, 14 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 826 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 436, independent: 334, independent conditional: 0, independent unconditional: 334, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 171, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 171, independent: 134, independent conditional: 0, independent unconditional: 134, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 436, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 171, unknown conditional: 0, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 930]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 930]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 922]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 922]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 75 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 3 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=1, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 16:45:42,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bb473d-a4dc-4579-969e-a3d2e15e7df1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE