./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 --- 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-b5237d8 [2022-11-21 09:06:12,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:06:12,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:06:12,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:06:12,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:06:12,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:06:12,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:06:12,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:06:12,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:06:12,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:06:12,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:06:12,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:06:12,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:06:12,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:06:12,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:06:12,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:06:12,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:06:12,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:06:12,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:06:12,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:06:12,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:06:12,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:06:12,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:06:12,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:06:12,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:06:12,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:06:12,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:06:12,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:06:12,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:06:12,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:06:12,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:06:12,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:06:12,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:06:12,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:06:12,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:06:12,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:06:12,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:06:12,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:06:12,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:06:12,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:06:12,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:06:12,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 09:06:12,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:06:12,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:06:12,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:06:12,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:06:12,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:06:12,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:06:12,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:06:12,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:06:12,886 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:06:12,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:06:12,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:06:12,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:06:12,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:06:12,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:06:12,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:06:12,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:06:12,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:06:12,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:06:12,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:06:12,889 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:06:12,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:06:12,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:06:12,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:06:12,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:06:12,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:06:12,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:06:12,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:06:12,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:06:12,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:06:12,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:06:12,893 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:06:12,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:06:12,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:06:12,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 [2022-11-21 09:06:13,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:06:13,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:06:13,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:06:13,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:06:13,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:06:13,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2022-11-21 09:06:16,344 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:06:16,608 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:06:16,608 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2022-11-21 09:06:16,616 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/data/4dc42cbe9/f6fc26ad2885497088d56a8b66671045/FLAGaa1b406c5 [2022-11-21 09:06:16,630 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/data/4dc42cbe9/f6fc26ad2885497088d56a8b66671045 [2022-11-21 09:06:16,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:06:16,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:06:16,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:06:16,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:06:16,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:06:16,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:06:16" (1/1) ... [2022-11-21 09:06:16,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13254a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:16, skipping insertion in model container [2022-11-21 09:06:16,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:06:16" (1/1) ... [2022-11-21 09:06:16,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:06:16,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:06:16,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2022-11-21 09:06:16,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:06:16,929 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:06:16,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2022-11-21 09:06:16,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:06:17,009 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:06:17,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17 WrapperNode [2022-11-21 09:06:17,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:06:17,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:06:17,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:06:17,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:06:17,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,092 INFO L138 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 289 [2022-11-21 09:06:17,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:06:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:06:17,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:06:17,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:06:17,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:06:17,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:06:17,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:06:17,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:06:17,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (1/1) ... [2022-11-21 09:06:17,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:06:17,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:17,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:06:17,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:06:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:06:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:06:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:06:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:06:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 09:06:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 09:06:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 09:06:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 09:06:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 09:06:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 09:06:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 09:06:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 09:06:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:06:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-21 09:06:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-21 09:06:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-21 09:06:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-21 09:06:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 09:06:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 09:06:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:06:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:06:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:06:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:06:17,242 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 09:06:17,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:06:17,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:06:18,087 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:06:18,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:06:18,395 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 09:06:18,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:18 BoogieIcfgContainer [2022-11-21 09:06:18,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:06:18,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:06:18,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:06:18,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:06:18,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:06:16" (1/3) ... [2022-11-21 09:06:18,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc8650e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:18, skipping insertion in model container [2022-11-21 09:06:18,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:06:17" (2/3) ... [2022-11-21 09:06:18,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc8650e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:18, skipping insertion in model container [2022-11-21 09:06:18,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:18" (3/3) ... [2022-11-21 09:06:18,412 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2022-11-21 09:06:18,423 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:06:18,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:06:18,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:06:18,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:06:18,601 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-11-21 09:06:18,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 260 transitions, 592 flow [2022-11-21 09:06:18,817 INFO L130 PetriNetUnfolder]: 18/232 cut-off events. [2022-11-21 09:06:18,817 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 09:06:18,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 232 events. 18/232 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 285 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 200. Up to 3 conditions per place. [2022-11-21 09:06:18,827 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 260 transitions, 592 flow [2022-11-21 09:06:18,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 223 transitions, 494 flow [2022-11-21 09:06:18,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:06:18,866 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;@36da186e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:06:18,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-11-21 09:06:18,947 INFO L130 PetriNetUnfolder]: 18/222 cut-off events. [2022-11-21 09:06:18,947 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 09:06:18,948 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:18,949 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:18,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:18,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:18,957 INFO L85 PathProgramCache]: Analyzing trace with hash 920841663, now seen corresponding path program 1 times [2022-11-21 09:06:18,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:18,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331248782] [2022-11-21 09:06:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:19,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:19,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331248782] [2022-11-21 09:06:19,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331248782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:19,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:19,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:06:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732303177] [2022-11-21 09:06:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:19,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 09:06:19,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 09:06:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 09:06:19,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 264 [2022-11-21 09:06:19,512 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 223 transitions, 494 flow. Second operand has 2 states, 2 states have (on average 227.5) internal successors, (455), 2 states have internal predecessors, (455), 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) [2022-11-21 09:06:19,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:19,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 264 [2022-11-21 09:06:19,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:20,237 INFO L130 PetriNetUnfolder]: 1084/2340 cut-off events. [2022-11-21 09:06:20,238 INFO L131 PetriNetUnfolder]: For 684/684 co-relation queries the response was YES. [2022-11-21 09:06:20,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2340 events. 1084/2340 cut-off events. For 684/684 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 13080 event pairs, 627 based on Foata normal form. 309/2437 useless extension candidates. Maximal degree in co-relation 4157. Up to 1445 conditions per place. [2022-11-21 09:06:20,274 INFO L137 encePairwiseOnDemand]: 255/264 looper letters, 30 selfloop transitions, 0 changer transitions 4/214 dead transitions. [2022-11-21 09:06:20,274 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 214 transitions, 536 flow [2022-11-21 09:06:20,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 09:06:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-21 09:06:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 471 transitions. [2022-11-21 09:06:20,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8920454545454546 [2022-11-21 09:06:20,298 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 471 transitions. [2022-11-21 09:06:20,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 471 transitions. [2022-11-21 09:06:20,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:20,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 471 transitions. [2022-11-21 09:06:20,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 235.5) internal successors, (471), 2 states have internal predecessors, (471), 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) [2022-11-21 09:06:20,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2022-11-21 09:06:20,320 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2022-11-21 09:06:20,322 INFO L175 Difference]: Start difference. First operand has 224 places, 223 transitions, 494 flow. Second operand 2 states and 471 transitions. [2022-11-21 09:06:20,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 214 transitions, 536 flow [2022-11-21 09:06:20,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 214 transitions, 504 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-11-21 09:06:20,338 INFO L231 Difference]: Finished difference. Result has 213 places, 210 transitions, 436 flow [2022-11-21 09:06:20,340 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=436, PETRI_PLACES=213, PETRI_TRANSITIONS=210} [2022-11-21 09:06:20,346 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -11 predicate places. [2022-11-21 09:06:20,347 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 210 transitions, 436 flow [2022-11-21 09:06:20,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 227.5) internal successors, (455), 2 states have internal predecessors, (455), 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) [2022-11-21 09:06:20,347 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:20,348 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:20,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:06:20,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:20,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash 678813083, now seen corresponding path program 1 times [2022-11-21 09:06:20,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:20,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743762926] [2022-11-21 09:06:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:20,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:21,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:21,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743762926] [2022-11-21 09:06:21,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743762926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:21,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:21,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:06:21,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396573146] [2022-11-21 09:06:21,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:21,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:06:21,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:21,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:06:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:06:21,068 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 264 [2022-11-21 09:06:21,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 210 transitions, 436 flow. Second operand has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 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) [2022-11-21 09:06:21,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:21,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 264 [2022-11-21 09:06:21,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:22,724 INFO L130 PetriNetUnfolder]: 3024/6404 cut-off events. [2022-11-21 09:06:22,724 INFO L131 PetriNetUnfolder]: For 486/486 co-relation queries the response was YES. [2022-11-21 09:06:22,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10862 conditions, 6404 events. 3024/6404 cut-off events. For 486/486 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 47689 event pairs, 1153 based on Foata normal form. 1/5769 useless extension candidates. Maximal degree in co-relation 10859. Up to 1683 conditions per place. [2022-11-21 09:06:22,791 INFO L137 encePairwiseOnDemand]: 253/264 looper letters, 95 selfloop transitions, 10 changer transitions 4/269 dead transitions. [2022-11-21 09:06:22,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 269 transitions, 799 flow [2022-11-21 09:06:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:06:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:06:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2022-11-21 09:06:22,794 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7967171717171717 [2022-11-21 09:06:22,795 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1262 transitions. [2022-11-21 09:06:22,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1262 transitions. [2022-11-21 09:06:22,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:22,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1262 transitions. [2022-11-21 09:06:22,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.33333333333334) internal successors, (1262), 6 states have internal predecessors, (1262), 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) [2022-11-21 09:06:22,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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) [2022-11-21 09:06:22,806 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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) [2022-11-21 09:06:22,806 INFO L175 Difference]: Start difference. First operand has 213 places, 210 transitions, 436 flow. Second operand 6 states and 1262 transitions. [2022-11-21 09:06:22,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 269 transitions, 799 flow [2022-11-21 09:06:22,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 269 transitions, 799 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:06:22,817 INFO L231 Difference]: Finished difference. Result has 218 places, 217 transitions, 499 flow [2022-11-21 09:06:22,818 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=499, PETRI_PLACES=218, PETRI_TRANSITIONS=217} [2022-11-21 09:06:22,819 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -6 predicate places. [2022-11-21 09:06:22,819 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 217 transitions, 499 flow [2022-11-21 09:06:22,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 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) [2022-11-21 09:06:22,820 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:22,820 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:22,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:06:22,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:22,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash -564858839, now seen corresponding path program 2 times [2022-11-21 09:06:22,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:22,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379893660] [2022-11-21 09:06:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:22,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:23,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:23,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379893660] [2022-11-21 09:06:23,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379893660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:23,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:23,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:06:23,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862833988] [2022-11-21 09:06:23,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:23,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:06:23,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:23,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:06:23,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:06:23,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 264 [2022-11-21 09:06:23,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 217 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 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) [2022-11-21 09:06:23,363 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:23,364 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 264 [2022-11-21 09:06:23,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:25,728 INFO L130 PetriNetUnfolder]: 4929/10331 cut-off events. [2022-11-21 09:06:25,728 INFO L131 PetriNetUnfolder]: For 2189/2189 co-relation queries the response was YES. [2022-11-21 09:06:25,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19625 conditions, 10331 events. 4929/10331 cut-off events. For 2189/2189 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 85327 event pairs, 1899 based on Foata normal form. 1/9262 useless extension candidates. Maximal degree in co-relation 19617. Up to 3014 conditions per place. [2022-11-21 09:06:25,850 INFO L137 encePairwiseOnDemand]: 252/264 looper letters, 99 selfloop transitions, 14 changer transitions 4/277 dead transitions. [2022-11-21 09:06:25,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 277 transitions, 912 flow [2022-11-21 09:06:25,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:06:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:06:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1263 transitions. [2022-11-21 09:06:25,858 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7973484848484849 [2022-11-21 09:06:25,858 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1263 transitions. [2022-11-21 09:06:25,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1263 transitions. [2022-11-21 09:06:25,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:25,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1263 transitions. [2022-11-21 09:06:25,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 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) [2022-11-21 09:06:25,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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) [2022-11-21 09:06:25,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 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) [2022-11-21 09:06:25,867 INFO L175 Difference]: Start difference. First operand has 218 places, 217 transitions, 499 flow. Second operand 6 states and 1263 transitions. [2022-11-21 09:06:25,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 277 transitions, 912 flow [2022-11-21 09:06:25,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 277 transitions, 902 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:25,876 INFO L231 Difference]: Finished difference. Result has 223 places, 224 transitions, 588 flow [2022-11-21 09:06:25,877 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=588, PETRI_PLACES=223, PETRI_TRANSITIONS=224} [2022-11-21 09:06:25,882 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -1 predicate places. [2022-11-21 09:06:25,882 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 224 transitions, 588 flow [2022-11-21 09:06:25,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 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) [2022-11-21 09:06:25,883 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:25,883 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:25,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:06:25,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash -475939180, now seen corresponding path program 1 times [2022-11-21 09:06:25,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:25,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213388496] [2022-11-21 09:06:25,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:26,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:26,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213388496] [2022-11-21 09:06:26,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213388496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:26,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:26,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:06:26,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517906093] [2022-11-21 09:06:26,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:26,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:06:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:06:26,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:06:26,365 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 264 [2022-11-21 09:06:26,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 224 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 203.71428571428572) internal successors, (1426), 7 states have internal predecessors, (1426), 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) [2022-11-21 09:06:26,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:26,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 264 [2022-11-21 09:06:26,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:29,647 INFO L130 PetriNetUnfolder]: 6200/14218 cut-off events. [2022-11-21 09:06:29,647 INFO L131 PetriNetUnfolder]: For 6253/6253 co-relation queries the response was YES. [2022-11-21 09:06:29,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28095 conditions, 14218 events. 6200/14218 cut-off events. For 6253/6253 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 130041 event pairs, 1544 based on Foata normal form. 573/13424 useless extension candidates. Maximal degree in co-relation 28084. Up to 3830 conditions per place. [2022-11-21 09:06:29,803 INFO L137 encePairwiseOnDemand]: 254/264 looper letters, 136 selfloop transitions, 9 changer transitions 0/308 dead transitions. [2022-11-21 09:06:29,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 308 transitions, 1227 flow [2022-11-21 09:06:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 09:06:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-21 09:06:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1707 transitions. [2022-11-21 09:06:29,816 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8082386363636364 [2022-11-21 09:06:29,816 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1707 transitions. [2022-11-21 09:06:29,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1707 transitions. [2022-11-21 09:06:29,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:29,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1707 transitions. [2022-11-21 09:06:29,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 213.375) internal successors, (1707), 8 states have internal predecessors, (1707), 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) [2022-11-21 09:06:29,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 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) [2022-11-21 09:06:29,835 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 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) [2022-11-21 09:06:29,836 INFO L175 Difference]: Start difference. First operand has 223 places, 224 transitions, 588 flow. Second operand 8 states and 1707 transitions. [2022-11-21 09:06:29,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 308 transitions, 1227 flow [2022-11-21 09:06:29,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 308 transitions, 1215 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:29,854 INFO L231 Difference]: Finished difference. Result has 231 places, 230 transitions, 657 flow [2022-11-21 09:06:29,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=657, PETRI_PLACES=231, PETRI_TRANSITIONS=230} [2022-11-21 09:06:29,857 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 7 predicate places. [2022-11-21 09:06:29,857 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 230 transitions, 657 flow [2022-11-21 09:06:29,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 203.71428571428572) internal successors, (1426), 7 states have internal predecessors, (1426), 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) [2022-11-21 09:06:29,858 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:29,858 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:29,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:06:29,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash 523035468, now seen corresponding path program 1 times [2022-11-21 09:06:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:29,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430283496] [2022-11-21 09:06:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:30,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:30,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430283496] [2022-11-21 09:06:30,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430283496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:30,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:30,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:06:30,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171721965] [2022-11-21 09:06:30,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:30,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:06:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:30,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:06:30,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:06:30,425 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 264 [2022-11-21 09:06:30,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 230 transitions, 657 flow. Second operand has 7 states, 7 states have (on average 203.71428571428572) internal successors, (1426), 7 states have internal predecessors, (1426), 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) [2022-11-21 09:06:30,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:30,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 264 [2022-11-21 09:06:30,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:33,155 INFO L130 PetriNetUnfolder]: 4877/12045 cut-off events. [2022-11-21 09:06:33,155 INFO L131 PetriNetUnfolder]: For 8228/8228 co-relation queries the response was YES. [2022-11-21 09:06:33,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25455 conditions, 12045 events. 4877/12045 cut-off events. For 8228/8228 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 112148 event pairs, 1256 based on Foata normal form. 408/11194 useless extension candidates. Maximal degree in co-relation 25440. Up to 3505 conditions per place. [2022-11-21 09:06:33,298 INFO L137 encePairwiseOnDemand]: 254/264 looper letters, 95 selfloop transitions, 6 changer transitions 34/298 dead transitions. [2022-11-21 09:06:33,298 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 298 transitions, 1222 flow [2022-11-21 09:06:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 09:06:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-21 09:06:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1699 transitions. [2022-11-21 09:06:33,303 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8044507575757576 [2022-11-21 09:06:33,303 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1699 transitions. [2022-11-21 09:06:33,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1699 transitions. [2022-11-21 09:06:33,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:33,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1699 transitions. [2022-11-21 09:06:33,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 212.375) internal successors, (1699), 8 states have internal predecessors, (1699), 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) [2022-11-21 09:06:33,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 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) [2022-11-21 09:06:33,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 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) [2022-11-21 09:06:33,315 INFO L175 Difference]: Start difference. First operand has 231 places, 230 transitions, 657 flow. Second operand 8 states and 1699 transitions. [2022-11-21 09:06:33,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 298 transitions, 1222 flow [2022-11-21 09:06:33,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 298 transitions, 1219 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:06:33,324 INFO L231 Difference]: Finished difference. Result has 240 places, 229 transitions, 663 flow [2022-11-21 09:06:33,325 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=663, PETRI_PLACES=240, PETRI_TRANSITIONS=229} [2022-11-21 09:06:33,328 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 16 predicate places. [2022-11-21 09:06:33,328 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 229 transitions, 663 flow [2022-11-21 09:06:33,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 203.71428571428572) internal successors, (1426), 7 states have internal predecessors, (1426), 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) [2022-11-21 09:06:33,329 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:33,329 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:33,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:06:33,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash -108494101, now seen corresponding path program 1 times [2022-11-21 09:06:33,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:33,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243742548] [2022-11-21 09:06:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:34,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:34,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243742548] [2022-11-21 09:06:34,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243742548] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:34,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927513727] [2022-11-21 09:06:34,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:34,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:34,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:34,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:06:34,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 09:06:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:34,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 09:06:34,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:06:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:34,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:34,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927513727] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:06:34,935 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:06:34,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-21 09:06:34,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937392302] [2022-11-21 09:06:34,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:06:34,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 09:06:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:34,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 09:06:34,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:06:34,943 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 264 [2022-11-21 09:06:34,948 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 229 transitions, 663 flow. Second operand has 18 states, 18 states have (on average 201.44444444444446) internal successors, (3626), 18 states have internal predecessors, (3626), 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) [2022-11-21 09:06:34,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:34,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 264 [2022-11-21 09:06:34,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:38,287 INFO L130 PetriNetUnfolder]: 5825/14011 cut-off events. [2022-11-21 09:06:38,288 INFO L131 PetriNetUnfolder]: For 13928/13928 co-relation queries the response was YES. [2022-11-21 09:06:38,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32859 conditions, 14011 events. 5825/14011 cut-off events. For 13928/13928 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 132119 event pairs, 1300 based on Foata normal form. 156/12834 useless extension candidates. Maximal degree in co-relation 32840. Up to 3665 conditions per place. [2022-11-21 09:06:38,476 INFO L137 encePairwiseOnDemand]: 248/264 looper letters, 144 selfloop transitions, 17 changer transitions 0/323 dead transitions. [2022-11-21 09:06:38,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 323 transitions, 1438 flow [2022-11-21 09:06:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 09:06:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-11-21 09:06:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2891 transitions. [2022-11-21 09:06:38,663 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7821969696969697 [2022-11-21 09:06:38,663 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2891 transitions. [2022-11-21 09:06:38,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2891 transitions. [2022-11-21 09:06:38,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:38,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2891 transitions. [2022-11-21 09:06:38,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 206.5) internal successors, (2891), 14 states have internal predecessors, (2891), 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) [2022-11-21 09:06:38,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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) [2022-11-21 09:06:38,688 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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) [2022-11-21 09:06:38,688 INFO L175 Difference]: Start difference. First operand has 240 places, 229 transitions, 663 flow. Second operand 14 states and 2891 transitions. [2022-11-21 09:06:38,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 323 transitions, 1438 flow [2022-11-21 09:06:38,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 323 transitions, 1393 flow, removed 20 selfloop flow, removed 7 redundant places. [2022-11-21 09:06:38,709 INFO L231 Difference]: Finished difference. Result has 248 places, 238 transitions, 757 flow [2022-11-21 09:06:38,710 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=757, PETRI_PLACES=248, PETRI_TRANSITIONS=238} [2022-11-21 09:06:38,713 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 24 predicate places. [2022-11-21 09:06:38,714 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 238 transitions, 757 flow [2022-11-21 09:06:38,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 201.44444444444446) internal successors, (3626), 18 states have internal predecessors, (3626), 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) [2022-11-21 09:06:38,719 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:38,719 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:38,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:06:38,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 09:06:38,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:38,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1324170145, now seen corresponding path program 1 times [2022-11-21 09:06:38,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:38,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661147650] [2022-11-21 09:06:38,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:38,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:39,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:39,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661147650] [2022-11-21 09:06:39,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661147650] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:39,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398674034] [2022-11-21 09:06:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:39,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:39,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:06:39,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 09:06:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:39,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 09:06:39,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:06:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:40,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:40,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398674034] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:06:40,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:06:40,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-21 09:06:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645705144] [2022-11-21 09:06:40,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:06:40,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 09:06:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 09:06:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:06:40,391 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 264 [2022-11-21 09:06:40,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 238 transitions, 757 flow. Second operand has 18 states, 18 states have (on average 201.44444444444446) internal successors, (3626), 18 states have internal predecessors, (3626), 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) [2022-11-21 09:06:40,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:40,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 264 [2022-11-21 09:06:40,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:43,338 INFO L130 PetriNetUnfolder]: 4877/12062 cut-off events. [2022-11-21 09:06:43,338 INFO L131 PetriNetUnfolder]: For 11971/11971 co-relation queries the response was YES. [2022-11-21 09:06:43,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28340 conditions, 12062 events. 4877/12062 cut-off events. For 11971/11971 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 112471 event pairs, 1221 based on Foata normal form. 69/10873 useless extension candidates. Maximal degree in co-relation 28319. Up to 3505 conditions per place. [2022-11-21 09:06:43,483 INFO L137 encePairwiseOnDemand]: 248/264 looper letters, 93 selfloop transitions, 14 changer transitions 40/309 dead transitions. [2022-11-21 09:06:43,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 309 transitions, 1386 flow [2022-11-21 09:06:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 09:06:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-11-21 09:06:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2883 transitions. [2022-11-21 09:06:43,491 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7800324675324676 [2022-11-21 09:06:43,492 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2883 transitions. [2022-11-21 09:06:43,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2883 transitions. [2022-11-21 09:06:43,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:43,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2883 transitions. [2022-11-21 09:06:43,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 205.92857142857142) internal successors, (2883), 14 states have internal predecessors, (2883), 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) [2022-11-21 09:06:43,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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) [2022-11-21 09:06:43,510 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 264.0) internal successors, (3960), 15 states have internal predecessors, (3960), 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) [2022-11-21 09:06:43,511 INFO L175 Difference]: Start difference. First operand has 248 places, 238 transitions, 757 flow. Second operand 14 states and 2883 transitions. [2022-11-21 09:06:43,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 309 transitions, 1386 flow [2022-11-21 09:06:43,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 309 transitions, 1369 flow, removed 3 selfloop flow, removed 5 redundant places. [2022-11-21 09:06:43,524 INFO L231 Difference]: Finished difference. Result has 258 places, 233 transitions, 730 flow [2022-11-21 09:06:43,525 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=730, PETRI_PLACES=258, PETRI_TRANSITIONS=233} [2022-11-21 09:06:43,526 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 34 predicate places. [2022-11-21 09:06:43,526 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 233 transitions, 730 flow [2022-11-21 09:06:43,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 201.44444444444446) internal successors, (3626), 18 states have internal predecessors, (3626), 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) [2022-11-21 09:06:43,528 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:43,529 INFO L209 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:43,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:06:43,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:43,746 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:43,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:43,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1394835212, now seen corresponding path program 2 times [2022-11-21 09:06:43,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:43,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812406444] [2022-11-21 09:06:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:44,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:44,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812406444] [2022-11-21 09:06:44,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812406444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:44,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073909088] [2022-11-21 09:06:44,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 09:06:44,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:44,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:06:44,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 09:06:44,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 09:06:44,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 09:06:44,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 09:06:44,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:06:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:45,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:45,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073909088] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:45,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-21 09:06:45,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 18 [2022-11-21 09:06:45,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607122019] [2022-11-21 09:06:45,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:45,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 09:06:45,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:45,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 09:06:45,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:06:45,633 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 264 [2022-11-21 09:06:45,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 233 transitions, 730 flow. Second operand has 9 states, 9 states have (on average 202.77777777777777) internal successors, (1825), 9 states have internal predecessors, (1825), 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) [2022-11-21 09:06:45,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:45,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 264 [2022-11-21 09:06:45,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:47,712 INFO L130 PetriNetUnfolder]: 3360/8022 cut-off events. [2022-11-21 09:06:47,712 INFO L131 PetriNetUnfolder]: For 10958/10958 co-relation queries the response was YES. [2022-11-21 09:06:47,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20425 conditions, 8022 events. 3360/8022 cut-off events. For 10958/10958 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 68088 event pairs, 1419 based on Foata normal form. 162/7446 useless extension candidates. Maximal degree in co-relation 20402. Up to 4107 conditions per place. [2022-11-21 09:06:47,785 INFO L137 encePairwiseOnDemand]: 252/264 looper letters, 85 selfloop transitions, 11 changer transitions 0/258 dead transitions. [2022-11-21 09:06:47,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 258 transitions, 1053 flow [2022-11-21 09:06:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 09:06:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-21 09:06:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2053 transitions. [2022-11-21 09:06:47,791 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7776515151515152 [2022-11-21 09:06:47,792 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2053 transitions. [2022-11-21 09:06:47,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2053 transitions. [2022-11-21 09:06:47,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:47,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2053 transitions. [2022-11-21 09:06:47,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 205.3) internal successors, (2053), 10 states have internal predecessors, (2053), 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) [2022-11-21 09:06:47,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 264.0) internal successors, (2904), 11 states have internal predecessors, (2904), 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) [2022-11-21 09:06:47,806 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 264.0) internal successors, (2904), 11 states have internal predecessors, (2904), 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) [2022-11-21 09:06:47,806 INFO L175 Difference]: Start difference. First operand has 258 places, 233 transitions, 730 flow. Second operand 10 states and 2053 transitions. [2022-11-21 09:06:47,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 258 transitions, 1053 flow [2022-11-21 09:06:47,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 258 transitions, 992 flow, removed 15 selfloop flow, removed 15 redundant places. [2022-11-21 09:06:47,821 INFO L231 Difference]: Finished difference. Result has 250 places, 236 transitions, 731 flow [2022-11-21 09:06:47,822 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=731, PETRI_PLACES=250, PETRI_TRANSITIONS=236} [2022-11-21 09:06:47,823 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 26 predicate places. [2022-11-21 09:06:47,823 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 236 transitions, 731 flow [2022-11-21 09:06:47,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 202.77777777777777) internal successors, (1825), 9 states have internal predecessors, (1825), 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) [2022-11-21 09:06:47,824 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:47,825 INFO L209 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:47,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:06:48,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:48,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:48,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:48,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1537999230, now seen corresponding path program 2 times [2022-11-21 09:06:48,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:48,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983395804] [2022-11-21 09:06:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:48,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:48,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:48,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983395804] [2022-11-21 09:06:48,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983395804] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:48,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881458171] [2022-11-21 09:06:48,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 09:06:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:48,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:48,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:06:48,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 09:06:48,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 09:06:48,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 09:06:48,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 09:06:48,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:06:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:49,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:06:49,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881458171] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:49,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-21 09:06:49,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 18 [2022-11-21 09:06:49,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011892383] [2022-11-21 09:06:49,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:49,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 09:06:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:49,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 09:06:49,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:06:49,515 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 264 [2022-11-21 09:06:49,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 236 transitions, 731 flow. Second operand has 9 states, 9 states have (on average 202.77777777777777) internal successors, (1825), 9 states have internal predecessors, (1825), 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) [2022-11-21 09:06:49,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:06:49,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 264 [2022-11-21 09:06:49,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:06:50,935 INFO L130 PetriNetUnfolder]: 2541/5519 cut-off events. [2022-11-21 09:06:50,935 INFO L131 PetriNetUnfolder]: For 6558/6558 co-relation queries the response was YES. [2022-11-21 09:06:50,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15114 conditions, 5519 events. 2541/5519 cut-off events. For 6558/6558 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 40079 event pairs, 884 based on Foata normal form. 114/5178 useless extension candidates. Maximal degree in co-relation 15093. Up to 3108 conditions per place. [2022-11-21 09:06:50,985 INFO L137 encePairwiseOnDemand]: 252/264 looper letters, 89 selfloop transitions, 11 changer transitions 0/262 dead transitions. [2022-11-21 09:06:50,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 262 transitions, 1065 flow [2022-11-21 09:06:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 09:06:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-21 09:06:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2053 transitions. [2022-11-21 09:06:50,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7776515151515152 [2022-11-21 09:06:50,992 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2053 transitions. [2022-11-21 09:06:50,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2053 transitions. [2022-11-21 09:06:50,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:06:50,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2053 transitions. [2022-11-21 09:06:51,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 205.3) internal successors, (2053), 10 states have internal predecessors, (2053), 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) [2022-11-21 09:06:51,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 264.0) internal successors, (2904), 11 states have internal predecessors, (2904), 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) [2022-11-21 09:06:51,008 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 264.0) internal successors, (2904), 11 states have internal predecessors, (2904), 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) [2022-11-21 09:06:51,008 INFO L175 Difference]: Start difference. First operand has 250 places, 236 transitions, 731 flow. Second operand 10 states and 2053 transitions. [2022-11-21 09:06:51,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 262 transitions, 1065 flow [2022-11-21 09:06:51,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 262 transitions, 1032 flow, removed 7 selfloop flow, removed 7 redundant places. [2022-11-21 09:06:51,021 INFO L231 Difference]: Finished difference. Result has 253 places, 238 transitions, 747 flow [2022-11-21 09:06:51,022 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=747, PETRI_PLACES=253, PETRI_TRANSITIONS=238} [2022-11-21 09:06:51,023 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, 29 predicate places. [2022-11-21 09:06:51,023 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 238 transitions, 747 flow [2022-11-21 09:06:51,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 202.77777777777777) internal successors, (1825), 9 states have internal predecessors, (1825), 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) [2022-11-21 09:06:51,024 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:06:51,024 INFO L209 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:51,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-21 09:06:51,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 09:06:51,231 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-11-21 09:06:51,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1348377743, now seen corresponding path program 1 times [2022-11-21 09:06:51,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:51,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082840951] [2022-11-21 09:06:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:51,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 09:06:53,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:53,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082840951] [2022-11-21 09:06:53,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082840951] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:06:53,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986867498] [2022-11-21 09:06:53,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:53,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:06:53,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:06:53,989 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:06:54,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c34cf-2ed3-4bc3-aeb9-ef220c8b2840/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 09:06:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:54,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-21 09:06:54,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:06:54,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-21 09:06:55,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-21 09:06:55,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-21 09:06:55,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-21 09:06:55,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-21 09:06:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 09:06:56,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-21 09:06:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 09:06:56,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-21 09:06:56,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 09:06:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:06:56,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:06:57,651 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~X_0~0.offset 4))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (<= c_~s_2~0 (select (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| v_ArrVal_489) |c_thread4Thread1of1ForFork0_~#t6~0.base| v_ArrVal_490) c_~X_0~0.base) .cse0))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| v_ArrVal_489) |c_thread4Thread1of1ForFork0_~#t6~0.base| v_ArrVal_490) c_~X_0~0.base) .cse0) (+ 1 c_~s_2~0))))) is different from false [2022-11-21 09:06:57,695 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~X_0~0.offset 4))) (and (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (<= c_~s_2~0 (select (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0) (+ 1 c_~s_2~0))))))) is different from false [2022-11-21 09:06:59,104 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~X_0~0.offset 4))) (and (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (<= c_~s_2~0 (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)))) (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0) (+ 1 c_~s_2~0))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)))))) is different from false [2022-11-21 09:07:01,590 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~X_0~0.offset 4))) (and (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (<= (+ c_~t_4~0 c_~s_2~0) (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))))) (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse0) (+ c_~t_4~0 1 c_~s_2~0))))))))) is different from false [2022-11-21 09:07:03,068 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~X_0~0.offset 4)) (.cse0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))))) (and (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (<= (+ .cse0 c_~s_2~0) (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse1))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))))) (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int)) (or (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse1) (+ .cse0 1 c_~s_2~0))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)))))) is different from false [2022-11-21 09:07:03,354 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) (.cse1 (+ c_~X_0~0.offset 4))) (and (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_488))) (< (select (select (store (store .cse0 |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse1) (+ (select (select .cse0 c_~X_0~0.base) .cse2) 1 c_~s_2~0)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))))) (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_488))) (<= (+ (select (select .cse3 c_~X_0~0.base) .cse2) c_~s_2~0) (select (select (store (store .cse3 |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse1)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))))))) is different from false [2022-11-21 09:07:03,589 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~X_0~0.offset 4)) (.cse1 (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0)))) (and (forall ((v_ArrVal_487 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_487) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_488))) (<= (+ (select (select .cse0 c_~X_0~0.base) .cse1) c_~s_2~0) (select (select (store (store .cse0 |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse2)))) (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)))))) (forall ((v_ArrVal_487 (Array Int Int)) (|v_thread4Thread1of1ForFork0_~#t5~0.base_26| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t5~0.base_26|)) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread4Thread1of1ForFork0_~#t6~0.base_26|)) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_487) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_488))) (< (select (select (store (store .cse3 |v_thread4Thread1of1ForFork0_~#t5~0.base_26| v_ArrVal_489) |v_thread4Thread1of1ForFork0_~#t6~0.base_26| v_ArrVal_490) c_~X_0~0.base) .cse2) (+ (select (select .cse3 c_~X_0~0.base) .cse1) 1 c_~s_2~0)))))))))) is different from false [2022-11-21 09:08:13,886 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 09:08:13,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 58 [2022-11-21 09:08:14,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 764755836918 treesize of output 747039096822