./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro --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 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 --- 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-8393723 [2022-11-18 19:50:25,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:50:25,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:50:25,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:50:25,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:50:25,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:50:25,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:50:25,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:50:25,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:50:25,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:50:25,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:50:25,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:50:25,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:50:25,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:50:25,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:50:25,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:50:25,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:50:25,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:50:25,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:50:25,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:50:25,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:50:25,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:50:25,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:50:25,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:50:25,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:50:25,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:50:25,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:50:25,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:50:25,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:50:25,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:50:25,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:50:25,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:50:25,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:50:25,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:50:25,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:50:25,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:50:25,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:50:25,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:50:25,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:50:25,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:50:25,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:50:25,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:50:25,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:50:25,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:50:25,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:50:25,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:50:25,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:50:25,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:50:25,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:50:25,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:50:25,255 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:50:25,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:50:25,257 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:50:25,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:50:25,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:50:25,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:50:25,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:50:25,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:50:25,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:50:25,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:50:25,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:50:25,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:50:25,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:50:25,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:50:25,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:50:25,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:50:25,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:50:25,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:50:25,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:50:25,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:50:25,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:50:25,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:50:25,273 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:50:25,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:50:25,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:50:25,274 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_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 [2022-11-18 19:50:25,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:50:25,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:50:25,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:50:25,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:50:25,608 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:50:25,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-18 19:50:25,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/data/565413b76/b7c80ef6023246b89210a21082910321/FLAGe891dcc9e [2022-11-18 19:50:26,197 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:50:26,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-18 19:50:26,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/data/565413b76/b7c80ef6023246b89210a21082910321/FLAGe891dcc9e [2022-11-18 19:50:26,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/data/565413b76/b7c80ef6023246b89210a21082910321 [2022-11-18 19:50:26,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:50:26,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:50:26,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:50:26,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:50:26,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:50:26,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55611686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26, skipping insertion in model container [2022-11-18 19:50:26,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:50:26,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:50:26,818 WARN L234 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_cde01373-5b32-4f74-be8a-f7614f92927a/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-18 19:50:26,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:50:26,841 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:50:26,863 WARN L234 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_cde01373-5b32-4f74-be8a-f7614f92927a/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-18 19:50:26,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:50:26,881 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:50:26,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26 WrapperNode [2022-11-18 19:50:26,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:50:26,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:50:26,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:50:26,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:50:26,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,945 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 271 [2022-11-18 19:50:26,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:50:26,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:50:26,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:50:26,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:50:26,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:50:26,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:50:26,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:50:26,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:50:26,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (1/1) ... [2022-11-18 19:50:26,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:50:27,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:27,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:50:27,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:50:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:50:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:50:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:50:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:50:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 19:50:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 19:50:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 19:50:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 19:50:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 19:50:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 19:50:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:50:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:50:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:50:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:50:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:50:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:50:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:50:27,072 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:50:27,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:50:27,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:50:27,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:50:28,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:50:28,152 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-18 19:50:28,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:50:28 BoogieIcfgContainer [2022-11-18 19:50:28,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:50:28,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:50:28,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:50:28,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:50:28,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:50:26" (1/3) ... [2022-11-18 19:50:28,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6451b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:50:28, skipping insertion in model container [2022-11-18 19:50:28,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:26" (2/3) ... [2022-11-18 19:50:28,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6451b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:50:28, skipping insertion in model container [2022-11-18 19:50:28,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:50:28" (3/3) ... [2022-11-18 19:50:28,165 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-11-18 19:50:28,174 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:50:28,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:50:28,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:50:28,185 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:50:28,303 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 19:50:28,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 193 transitions, 410 flow [2022-11-18 19:50:28,473 INFO L130 PetriNetUnfolder]: 16/190 cut-off events. [2022-11-18 19:50:28,474 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:50:28,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 190 events. 16/190 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 108 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2022-11-18 19:50:28,480 INFO L82 GeneralOperation]: Start removeDead. Operand has 187 places, 193 transitions, 410 flow [2022-11-18 19:50:28,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 179 transitions, 376 flow [2022-11-18 19:50:28,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:50:28,503 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;@570bb79f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:50:28,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 19:50:28,546 INFO L130 PetriNetUnfolder]: 16/178 cut-off events. [2022-11-18 19:50:28,547 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:50:28,547 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:50:28,548 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] [2022-11-18 19:50:28,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:50:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1680605842, now seen corresponding path program 1 times [2022-11-18 19:50:28,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:28,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225737996] [2022-11-18 19:50:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:28,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:28,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:28,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225737996] [2022-11-18 19:50:28,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225737996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:28,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:28,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:50:28,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973176361] [2022-11-18 19:50:28,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:28,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:50:28,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:50:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:50:28,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 193 [2022-11-18 19:50:28,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 179 transitions, 376 flow. Second operand has 2 states, 2 states have (on average 177.5) internal successors, (355), 2 states have internal predecessors, (355), 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) [2022-11-18 19:50:28,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:50:28,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 193 [2022-11-18 19:50:28,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:50:29,164 INFO L130 PetriNetUnfolder]: 42/301 cut-off events. [2022-11-18 19:50:29,164 INFO L131 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2022-11-18 19:50:29,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 301 events. 42/301 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 706 event pairs, 15 based on Foata normal form. 45/313 useless extension candidates. Maximal degree in co-relation 216. Up to 59 conditions per place. [2022-11-18 19:50:29,173 INFO L137 encePairwiseOnDemand]: 182/193 looper letters, 9 selfloop transitions, 0 changer transitions 6/168 dead transitions. [2022-11-18 19:50:29,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 168 transitions, 372 flow [2022-11-18 19:50:29,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:50:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 19:50:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 364 transitions. [2022-11-18 19:50:29,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9430051813471503 [2022-11-18 19:50:29,199 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 364 transitions. [2022-11-18 19:50:29,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 364 transitions. [2022-11-18 19:50:29,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:50:29,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 364 transitions. [2022-11-18 19:50:29,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 182.0) internal successors, (364), 2 states have internal predecessors, (364), 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) [2022-11-18 19:50:29,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2022-11-18 19:50:29,219 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2022-11-18 19:50:29,221 INFO L175 Difference]: Start difference. First operand has 173 places, 179 transitions, 376 flow. Second operand 2 states and 364 transitions. [2022-11-18 19:50:29,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 168 transitions, 372 flow [2022-11-18 19:50:29,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 168 transitions, 360 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 19:50:29,232 INFO L231 Difference]: Finished difference. Result has 168 places, 162 transitions, 330 flow [2022-11-18 19:50:29,234 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=330, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2022-11-18 19:50:29,239 INFO L288 CegarLoopForPetriNet]: 173 programPoint places, -5 predicate places. [2022-11-18 19:50:29,240 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 330 flow [2022-11-18 19:50:29,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 177.5) internal successors, (355), 2 states have internal predecessors, (355), 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) [2022-11-18 19:50:29,241 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:50:29,242 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] [2022-11-18 19:50:29,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:50:29,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:50:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1190650759, now seen corresponding path program 1 times [2022-11-18 19:50:29,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:29,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752447551] [2022-11-18 19:50:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:29,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:29,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:29,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752447551] [2022-11-18 19:50:29,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752447551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:29,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:29,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:50:29,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711735127] [2022-11-18 19:50:29,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:29,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:50:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:29,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:50:29,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:50:29,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 193 [2022-11-18 19:50:29,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 162 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 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) [2022-11-18 19:50:29,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:50:29,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 193 [2022-11-18 19:50:29,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:50:30,270 INFO L130 PetriNetUnfolder]: 396/820 cut-off events. [2022-11-18 19:50:30,270 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-11-18 19:50:30,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 820 events. 396/820 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3297 event pairs, 104 based on Foata normal form. 0/629 useless extension candidates. Maximal degree in co-relation 1431. Up to 305 conditions per place. [2022-11-18 19:50:30,277 INFO L137 encePairwiseOnDemand]: 186/193 looper letters, 51 selfloop transitions, 6 changer transitions 0/171 dead transitions. [2022-11-18 19:50:30,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 171 transitions, 464 flow [2022-11-18 19:50:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:50:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:50:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 820 transitions. [2022-11-18 19:50:30,281 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7081174438687392 [2022-11-18 19:50:30,281 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 820 transitions. [2022-11-18 19:50:30,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 820 transitions. [2022-11-18 19:50:30,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:50:30,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 820 transitions. [2022-11-18 19:50:30,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 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) [2022-11-18 19:50:30,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 193.0) internal successors, (1351), 7 states have internal predecessors, (1351), 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) [2022-11-18 19:50:30,288 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 193.0) internal successors, (1351), 7 states have internal predecessors, (1351), 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) [2022-11-18 19:50:30,289 INFO L175 Difference]: Start difference. First operand has 168 places, 162 transitions, 330 flow. Second operand 6 states and 820 transitions. [2022-11-18 19:50:30,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 171 transitions, 464 flow [2022-11-18 19:50:30,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 171 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:50:30,293 INFO L231 Difference]: Finished difference. Result has 169 places, 163 transitions, 355 flow [2022-11-18 19:50:30,294 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=355, PETRI_PLACES=169, PETRI_TRANSITIONS=163} [2022-11-18 19:50:30,295 INFO L288 CegarLoopForPetriNet]: 173 programPoint places, -4 predicate places. [2022-11-18 19:50:30,295 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 163 transitions, 355 flow [2022-11-18 19:50:30,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 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) [2022-11-18 19:50:30,296 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:50:30,296 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] [2022-11-18 19:50:30,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:50:30,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:50:30,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1689496800, now seen corresponding path program 1 times [2022-11-18 19:50:30,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:30,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850377486] [2022-11-18 19:50:30,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:31,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:31,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850377486] [2022-11-18 19:50:31,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850377486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:50:31,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:50:31,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:50:31,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445648416] [2022-11-18 19:50:31,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:31,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:50:31,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:31,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:50:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:50:31,030 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 193 [2022-11-18 19:50:31,032 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 163 transitions, 355 flow. Second operand has 9 states, 9 states have (on average 115.0) internal successors, (1035), 9 states have internal predecessors, (1035), 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) [2022-11-18 19:50:31,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:50:31,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 193 [2022-11-18 19:50:31,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:50:31,553 INFO L130 PetriNetUnfolder]: 398/875 cut-off events. [2022-11-18 19:50:31,553 INFO L131 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2022-11-18 19:50:31,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 875 events. 398/875 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3418 event pairs, 199 based on Foata normal form. 1/695 useless extension candidates. Maximal degree in co-relation 1708. Up to 525 conditions per place. [2022-11-18 19:50:31,561 INFO L137 encePairwiseOnDemand]: 177/193 looper letters, 72 selfloop transitions, 11 changer transitions 23/202 dead transitions. [2022-11-18 19:50:31,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 202 transitions, 651 flow [2022-11-18 19:50:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:50:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-18 19:50:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1087 transitions. [2022-11-18 19:50:31,565 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6257915947035118 [2022-11-18 19:50:31,565 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1087 transitions. [2022-11-18 19:50:31,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1087 transitions. [2022-11-18 19:50:31,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:50:31,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1087 transitions. [2022-11-18 19:50:31,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 120.77777777777777) internal successors, (1087), 9 states have internal predecessors, (1087), 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) [2022-11-18 19:50:31,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 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) [2022-11-18 19:50:31,577 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 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) [2022-11-18 19:50:31,577 INFO L175 Difference]: Start difference. First operand has 169 places, 163 transitions, 355 flow. Second operand 9 states and 1087 transitions. [2022-11-18 19:50:31,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 202 transitions, 651 flow [2022-11-18 19:50:31,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 202 transitions, 639 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:50:31,585 INFO L231 Difference]: Finished difference. Result has 177 places, 165 transitions, 393 flow [2022-11-18 19:50:31,585 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=393, PETRI_PLACES=177, PETRI_TRANSITIONS=165} [2022-11-18 19:50:31,588 INFO L288 CegarLoopForPetriNet]: 173 programPoint places, 4 predicate places. [2022-11-18 19:50:31,588 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 165 transitions, 393 flow [2022-11-18 19:50:31,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 115.0) internal successors, (1035), 9 states have internal predecessors, (1035), 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) [2022-11-18 19:50:31,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:50:31,589 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] [2022-11-18 19:50:31,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:50:31,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:50:31,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1856952462, now seen corresponding path program 1 times [2022-11-18 19:50:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:31,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949985462] [2022-11-18 19:50:31,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 19:50:31,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:31,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949985462] [2022-11-18 19:50:31,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949985462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:31,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320271580] [2022-11-18 19:50:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:31,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:31,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:31,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:31,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:50:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:32,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:50:32,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 19:50:32,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:50:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 19:50:32,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320271580] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:32,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:50:32,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-18 19:50:32,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225089921] [2022-11-18 19:50:32,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:32,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:50:32,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:50:32,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:50:32,580 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 193 [2022-11-18 19:50:32,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 165 transitions, 393 flow. Second operand has 7 states, 7 states have (on average 143.42857142857142) internal successors, (1004), 7 states have internal predecessors, (1004), 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) [2022-11-18 19:50:32,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:50:32,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 193 [2022-11-18 19:50:32,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:50:32,804 INFO L130 PetriNetUnfolder]: 168/525 cut-off events. [2022-11-18 19:50:32,804 INFO L131 PetriNetUnfolder]: For 180/212 co-relation queries the response was YES. [2022-11-18 19:50:32,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 525 events. 168/525 cut-off events. For 180/212 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1922 event pairs, 45 based on Foata normal form. 32/501 useless extension candidates. Maximal degree in co-relation 945. Up to 146 conditions per place. [2022-11-18 19:50:32,809 INFO L137 encePairwiseOnDemand]: 185/193 looper letters, 48 selfloop transitions, 7 changer transitions 0/174 dead transitions. [2022-11-18 19:50:32,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 174 transitions, 532 flow [2022-11-18 19:50:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:50:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-18 19:50:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1018 transitions. [2022-11-18 19:50:32,813 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7535159141376758 [2022-11-18 19:50:32,813 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1018 transitions. [2022-11-18 19:50:32,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1018 transitions. [2022-11-18 19:50:32,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:50:32,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1018 transitions. [2022-11-18 19:50:32,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 145.42857142857142) internal successors, (1018), 7 states have internal predecessors, (1018), 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) [2022-11-18 19:50:32,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 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) [2022-11-18 19:50:32,820 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 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) [2022-11-18 19:50:32,820 INFO L175 Difference]: Start difference. First operand has 177 places, 165 transitions, 393 flow. Second operand 7 states and 1018 transitions. [2022-11-18 19:50:32,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 174 transitions, 532 flow [2022-11-18 19:50:32,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 174 transitions, 506 flow, removed 3 selfloop flow, removed 7 redundant places. [2022-11-18 19:50:32,826 INFO L231 Difference]: Finished difference. Result has 177 places, 167 transitions, 401 flow [2022-11-18 19:50:32,826 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=401, PETRI_PLACES=177, PETRI_TRANSITIONS=167} [2022-11-18 19:50:32,827 INFO L288 CegarLoopForPetriNet]: 173 programPoint places, 4 predicate places. [2022-11-18 19:50:32,827 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 167 transitions, 401 flow [2022-11-18 19:50:32,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 143.42857142857142) internal successors, (1004), 7 states have internal predecessors, (1004), 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) [2022-11-18 19:50:32,828 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:50:32,828 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] [2022-11-18 19:50:32,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:33,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:33,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:50:33,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1028802405, now seen corresponding path program 1 times [2022-11-18 19:50:33,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:33,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495127188] [2022-11-18 19:50:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:50:35,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:35,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495127188] [2022-11-18 19:50:35,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495127188] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:35,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153284032] [2022-11-18 19:50:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:35,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:35,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:35,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:35,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:50:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:36,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 98 conjunts are in the unsatisfiable core [2022-11-18 19:50:36,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:36,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-11-18 19:50:36,864 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 19:50:36,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 19:50:37,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 19:50:38,516 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-18 19:50:38,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-18 19:50:38,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2022-11-18 19:50:39,638 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 [2022-11-18 19:50:39,842 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 [2022-11-18 19:50:40,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-18 19:50:40,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:40,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 85 [2022-11-18 19:50:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:50:41,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:50:41,863 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse1 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 ~B~0.base))) (= (+ (select .cse0 c_~B~0.offset) (select .cse1 c_~A~0.offset) c_~res1~0) (let ((.cse2 (* ~M~0 4))) (+ c_~res2~0 (select .cse1 (+ c_~A~0.offset .cse2)) (select .cse0 (+ .cse2 c_~B~0.offset))))))))) is different from false [2022-11-18 19:50:42,023 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse0 (select .cse3 ~B~0.base)) (.cse2 (select .cse3 c_~A~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ (select .cse0 (+ .cse1 c_~B~0.offset)) c_~res2~0 (select .cse2 (+ c_~A~0.offset .cse1)))) (+ (select .cse0 c_~B~0.offset) c_~res1~0 (select .cse2 c_~A~0.offset))))))) is different from false [2022-11-18 19:50:42,156 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse2 (select .cse3 ~B~0.base)) (.cse0 (select .cse3 c_~A~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse2 (+ .cse1 c_~B~0.offset)))) (+ (select .cse2 c_~B~0.offset) c_~res1~0 (select .cse0 c_~A~0.offset))))))) is different from false [2022-11-18 19:50:42,441 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse2 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 ~B~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ c_~res2~0 (select .cse0 (+ .cse1 |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (select .cse2 (+ c_~A~0.offset .cse1)))) (+ c_~res1~0 (select .cse2 c_~A~0.offset) (select .cse0 |c_ULTIMATE.start_main_#t~ret19#1.offset|))))))) is different from false [2022-11-18 19:50:42,492 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse0 (select .cse3 ~B~0.base)) (.cse1 (select .cse3 c_~A~0.base))) (= (+ c_~res1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse0 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res2~0 (select .cse1 (+ c_~A~0.offset .cse2))))))))) is different from false [2022-11-18 19:50:42,519 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse1 (select .cse3 ~B~0.base)) (.cse0 (select .cse3 c_~A~0.base))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset) (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (let ((.cse2 (* ~M~0 4))) (+ c_~res2~0 (select .cse1 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ c_~A~0.offset .cse2))))))))) is different from false [2022-11-18 19:50:42,643 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int)) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_133) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse0 (select .cse3 ~B~0.base)) (.cse2 (select .cse3 c_~A~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ (select .cse0 (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse2 (+ c_~A~0.offset .cse1)) c_~res2~0)) (+ c_~res1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select .cse2 c_~A~0.offset))))) (not (< ~M~0 c_~N~0)))) is different from false [2022-11-18 19:50:42,753 WARN L837 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int)) (~B~0.base Int) (v_ArrVal_135 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base| v_ArrVal_133) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_134) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_135) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_136))) (let ((.cse2 (select .cse3 ~B~0.base)) (.cse0 (select .cse3 c_~A~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) c_~res2~0 (select .cse2 (+ |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset| .cse1)))) (+ (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset|) c_~res1~0 (select .cse0 c_~A~0.offset))))) (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)))) is different from false [2022-11-18 19:50:44,461 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:44,462 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 127 treesize of output 92 [2022-11-18 19:50:44,567 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:44,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 137206 treesize of output 131644 [2022-11-18 19:50:45,336 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:45,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131574 treesize of output 102960 [2022-11-18 19:50:45,990 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:45,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102902 treesize of output 95792 [2022-11-18 19:50:46,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:46,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95734 treesize of output 81456 [2022-11-18 19:50:47,186 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:50:47,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81398 treesize of output 77872 [2022-11-18 19:51:30,668 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 19:51:30,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2022-11-18 19:51:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-18 19:51:30,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153284032] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:51:30,687 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:51:30,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 37, 35] total 88 [2022-11-18 19:51:30,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535800597] [2022-11-18 19:51:30,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:51:30,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-11-18 19:51:30,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:30,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-11-18 19:51:30,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=959, Invalid=5331, Unknown=62, NotChecked=1304, Total=7656 [2022-11-18 19:51:30,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 193 [2022-11-18 19:51:30,706 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 167 transitions, 401 flow. Second operand has 88 states, 88 states have (on average 70.02272727272727) internal successors, (6162), 88 states have internal predecessors, (6162), 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) [2022-11-18 19:51:30,706 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:51:30,706 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 193 [2022-11-18 19:51:30,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:51:39,418 INFO L130 PetriNetUnfolder]: 1254/2647 cut-off events. [2022-11-18 19:51:39,418 INFO L131 PetriNetUnfolder]: For 909/909 co-relation queries the response was YES. [2022-11-18 19:51:39,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5585 conditions, 2647 events. 1254/2647 cut-off events. For 909/909 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 15493 event pairs, 274 based on Foata normal form. 1/2505 useless extension candidates. Maximal degree in co-relation 5575. Up to 1366 conditions per place. [2022-11-18 19:51:39,442 INFO L137 encePairwiseOnDemand]: 135/193 looper letters, 220 selfloop transitions, 148 changer transitions 6/434 dead transitions. [2022-11-18 19:51:39,442 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 434 transitions, 1902 flow [2022-11-18 19:51:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-18 19:51:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2022-11-18 19:51:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 4393 transitions. [2022-11-18 19:51:39,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3793609671848014 [2022-11-18 19:51:39,455 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 4393 transitions. [2022-11-18 19:51:39,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 4393 transitions. [2022-11-18 19:51:39,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:39,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 4393 transitions. [2022-11-18 19:51:39,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 73.21666666666667) internal successors, (4393), 60 states have internal predecessors, (4393), 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) [2022-11-18 19:51:39,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 193.0) internal successors, (11773), 61 states have internal predecessors, (11773), 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) [2022-11-18 19:51:39,494 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 193.0) internal successors, (11773), 61 states have internal predecessors, (11773), 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) [2022-11-18 19:51:39,494 INFO L175 Difference]: Start difference. First operand has 177 places, 167 transitions, 401 flow. Second operand 60 states and 4393 transitions. [2022-11-18 19:51:39,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 434 transitions, 1902 flow [2022-11-18 19:51:39,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 434 transitions, 1872 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:51:39,510 INFO L231 Difference]: Finished difference. Result has 265 places, 308 transitions, 1303 flow [2022-11-18 19:51:39,511 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=1303, PETRI_PLACES=265, PETRI_TRANSITIONS=308} [2022-11-18 19:51:39,513 INFO L288 CegarLoopForPetriNet]: 173 programPoint places, 92 predicate places. [2022-11-18 19:51:39,514 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 308 transitions, 1303 flow [2022-11-18 19:51:39,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 70.02272727272727) internal successors, (6162), 88 states have internal predecessors, (6162), 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) [2022-11-18 19:51:39,516 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:51:39,517 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] [2022-11-18 19:51:39,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 19:51:39,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:51:39,725 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 19:51:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1934529599, now seen corresponding path program 2 times [2022-11-18 19:51:39,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:39,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050954102] [2022-11-18 19:51:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:51:42,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:42,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050954102] [2022-11-18 19:51:42,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050954102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:51:42,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030893406] [2022-11-18 19:51:42,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:51:42,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:51:42,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:42,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:51:42,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde01373-5b32-4f74-be8a-f7614f92927a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:51:42,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:51:42,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:51:42,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-18 19:51:42,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:42,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-11-18 19:51:43,062 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 11 treesize of output 7 [2022-11-18 19:51:43,958 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 19:51:43,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 19:51:44,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 19:51:45,407 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 [2022-11-18 19:51:45,641 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 [2022-11-18 19:51:46,014 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 [2022-11-18 19:51:46,636 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:51:46,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 31 [2022-11-18 19:51:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:51:46,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:00,281 INFO L321 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2022-11-18 19:52:00,281 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 2 case distinctions, treesize of input 197 treesize of output 104 [2022-11-18 19:52:00,453 INFO L321 Elim1Store]: treesize reduction 87, result has 38.3 percent of original size [2022-11-18 19:52:00,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9232 treesize of output 8509 [2022-11-18 19:52:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,577 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:00,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 8302 treesize of output 7646 [2022-11-18 19:52:00,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,645 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:00,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 7638 treesize of output 4830 [2022-11-18 19:52:00,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:00,702 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:00,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 4822 treesize of output 3326 [2022-11-18 19:52:02,562 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:02,562 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 101 treesize of output 78 [2022-11-18 19:52:02,639 INFO L321 Elim1Store]: treesize reduction 49, result has 32.9 percent of original size [2022-11-18 19:52:02,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 18422 treesize of output 16909 [2022-11-18 19:52:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,756 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:02,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 16614 treesize of output 11118 [2022-11-18 19:52:02,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,825 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:02,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 11110 treesize of output 9662 [2022-11-18 19:52:02,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:52:02,884 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:52:02,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 9654 treesize of output 6654 [2022-11-18 20:02:04,471 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:02:04,472 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 101 treesize of output 78 [2022-11-18 20:02:04,583 INFO L321 Elim1Store]: treesize reduction 53, result has 27.4 percent of original size [2022-11-18 20:02:04,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 9206 treesize of output 8457 [2022-11-18 20:02:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:02:04,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 8302 treesize of output 5558 [2022-11-18 20:02:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,782 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:02:04,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 5550 treesize of output 4830 [2022-11-18 20:02:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:02:04,838 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:02:04,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 4822 treesize of output 3326 [2022-11-18 20:03:55,308 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:55,309 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 101 treesize of output 78 [2022-11-18 20:03:55,416 INFO L321 Elim1Store]: treesize reduction 53, result has 27.4 percent of original size [2022-11-18 20:03:55,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 18422 treesize of output 16905 [2022-11-18 20:03:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,618 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:55,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 16614 treesize of output 11118 [2022-11-18 20:03:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:55,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 11110 treesize of output 8174 [2022-11-18 20:03:55,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:55,782 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:55,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 8166 treesize of output 6654 [2022-11-18 20:03:57,046 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:57,046 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 101 treesize of output 78 [2022-11-18 20:03:57,123 INFO L321 Elim1Store]: treesize reduction 49, result has 32.9 percent of original size [2022-11-18 20:03:57,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 18422 treesize of output 16909 [2022-11-18 20:03:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,240 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:57,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 16614 treesize of output 11118 [2022-11-18 20:03:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,328 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:57,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 11110 treesize of output 8174 [2022-11-18 20:03:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:03:57,378 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:57,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 8166 treesize of output 6654