./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f --- 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-2329fc7 [2022-12-13 18:24:22,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:24:22,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:24:22,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:24:22,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:24:22,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:24:22,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:24:22,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:24:22,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:24:22,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:24:22,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:24:22,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:24:22,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:24:22,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:24:22,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:24:22,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:24:22,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:24:22,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:24:22,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:24:22,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:24:22,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:24:22,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:24:22,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:24:22,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:24:22,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:24:22,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:24:22,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:24:22,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:24:22,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:24:22,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:24:22,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:24:22,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:24:22,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:24:22,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:24:22,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:24:22,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:24:22,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:24:22,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:24:22,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:24:22,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:24:22,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:24:22,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 18:24:22,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:24:22,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:24:22,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:24:22,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:24:22,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:24:22,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:24:22,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:24:22,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:24:22,645 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:24:22,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:24:22,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:24:22,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:24:22,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:24:22,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:24:22,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:24:22,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:24:22,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:24:22,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:24:22,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:24:22,650 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:24:22,650 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f [2022-12-13 18:24:22,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:24:22,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:24:22,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:24:22,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:24:22,839 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:24:22,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-12-13 18:24:25,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:24:25,663 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:24:25,663 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-12-13 18:24:25,674 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/data/56c1433ff/2d6ce6b068054c12a0a466e4da9abf5a/FLAG0f7a1b32f [2022-12-13 18:24:25,684 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/data/56c1433ff/2d6ce6b068054c12a0a466e4da9abf5a [2022-12-13 18:24:25,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:24:25,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:24:25,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:24:25,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:24:25,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:24:25,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:24:25" (1/1) ... [2022-12-13 18:24:25,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225d3c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:25, skipping insertion in model container [2022-12-13 18:24:25,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:24:25" (1/1) ... [2022-12-13 18:24:25,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:24:25,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:24:26,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:24:26,013 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:24:26,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:24:26,089 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:24:26,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26 WrapperNode [2022-12-13 18:24:26,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:24:26,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:24:26,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:24:26,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:24:26,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,130 INFO L138 Inliner]: procedures = 263, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-12-13 18:24:26,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:24:26,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:24:26,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:24:26,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:24:26,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:24:26,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:24:26,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:24:26,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:24:26,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (1/1) ... [2022-12-13 18:24:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:24:26,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:24:26,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:24:26,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:24:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 18:24:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 18:24:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:24:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:24:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:24:26,214 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:24:26,309 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:24:26,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:24:26,462 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:24:26,469 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:24:26,469 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:24:26,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:24:26 BoogieIcfgContainer [2022-12-13 18:24:26,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:24:26,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:24:26,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:24:26,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:24:26,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:24:25" (1/3) ... [2022-12-13 18:24:26,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b13ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:24:26, skipping insertion in model container [2022-12-13 18:24:26,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:24:26" (2/3) ... [2022-12-13 18:24:26,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b13ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:24:26, skipping insertion in model container [2022-12-13 18:24:26,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:24:26" (3/3) ... [2022-12-13 18:24:26,477 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2022-12-13 18:24:26,484 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:24:26,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:24:26,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:24:26,492 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:24:26,537 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 18:24:26,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 168 flow [2022-12-13 18:24:26,592 INFO L130 PetriNetUnfolder]: 0/79 cut-off events. [2022-12-13 18:24:26,592 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 18:24:26,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 79 events. 0/79 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 18:24:26,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 80 transitions, 168 flow [2022-12-13 18:24:26,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 71 transitions, 145 flow [2022-12-13 18:24:26,600 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:24:26,607 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 71 transitions, 145 flow [2022-12-13 18:24:26,609 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 71 transitions, 145 flow [2022-12-13 18:24:26,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 71 transitions, 145 flow [2022-12-13 18:24:26,623 INFO L130 PetriNetUnfolder]: 0/71 cut-off events. [2022-12-13 18:24:26,623 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:24:26,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 0/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 18:24:26,624 INFO L119 LiptonReduction]: Number of co-enabled transitions 722 [2022-12-13 18:24:28,611 INFO L134 LiptonReduction]: Checked pairs total: 1363 [2022-12-13 18:24:28,611 INFO L136 LiptonReduction]: Total number of compositions: 62 [2022-12-13 18:24:28,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:24:28,626 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;@57058e28, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:24:28,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 18:24:28,628 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-13 18:24:28,628 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:24:28,628 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:28,629 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 18:24:28,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:28,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:28,633 INFO L85 PathProgramCache]: Analyzing trace with hash 8404845, now seen corresponding path program 1 times [2022-12-13 18:24:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:28,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074764065] [2022-12-13 18:24:28,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:28,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:28,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074764065] [2022-12-13 18:24:28,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074764065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:28,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:28,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:24:28,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935323913] [2022-12-13 18:24:28,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:28,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:24:28,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:24:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:24:28,979 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2022-12-13 18:24:28,981 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-12-13 18:24:28,981 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:28,981 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2022-12-13 18:24:28,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:29,044 INFO L130 PetriNetUnfolder]: 32/79 cut-off events. [2022-12-13 18:24:29,045 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:24:29,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 79 events. 32/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 243 event pairs, 7 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 154. Up to 56 conditions per place. [2022-12-13 18:24:29,050 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 19 selfloop transitions, 5 changer transitions 4/28 dead transitions. [2022-12-13 18:24:29,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 28 transitions, 115 flow [2022-12-13 18:24:29,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:24:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:24:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 314 transitions. [2022-12-13 18:24:29,060 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5528169014084507 [2022-12-13 18:24:29,060 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 314 transitions. [2022-12-13 18:24:29,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 314 transitions. [2022-12-13 18:24:29,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:29,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 314 transitions. [2022-12-13 18:24:29,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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) [2022-12-13 18:24:29,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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) [2022-12-13 18:24:29,070 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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) [2022-12-13 18:24:29,071 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 4 states and 314 transitions. [2022-12-13 18:24:29,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 28 transitions, 115 flow [2022-12-13 18:24:29,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:24:29,074 INFO L231 Difference]: Finished difference. Result has 23 places, 17 transitions, 58 flow [2022-12-13 18:24:29,075 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=58, PETRI_PLACES=23, PETRI_TRANSITIONS=17} [2022-12-13 18:24:29,077 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, 4 predicate places. [2022-12-13 18:24:29,077 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 17 transitions, 58 flow [2022-12-13 18:24:29,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-12-13 18:24:29,078 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:29,078 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 18:24:29,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:24:29,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:29,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash 8404950, now seen corresponding path program 1 times [2022-12-13 18:24:29,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:29,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121464377] [2022-12-13 18:24:29,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:29,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:29,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:29,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121464377] [2022-12-13 18:24:29,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121464377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:29,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:29,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:24:29,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524879081] [2022-12-13 18:24:29,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:29,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:24:29,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:24:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:24:29,250 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 142 [2022-12-13 18:24:29,251 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 17 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2022-12-13 18:24:29,251 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:29,251 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 142 [2022-12-13 18:24:29,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:29,305 INFO L130 PetriNetUnfolder]: 20/55 cut-off events. [2022-12-13 18:24:29,305 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-13 18:24:29,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 55 events. 20/55 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 154 event pairs, 6 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 133. Up to 42 conditions per place. [2022-12-13 18:24:29,306 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 15 selfloop transitions, 6 changer transitions 2/23 dead transitions. [2022-12-13 18:24:29,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 23 transitions, 123 flow [2022-12-13 18:24:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:24:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:24:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 312 transitions. [2022-12-13 18:24:29,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5492957746478874 [2022-12-13 18:24:29,309 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 312 transitions. [2022-12-13 18:24:29,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 312 transitions. [2022-12-13 18:24:29,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:29,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 312 transitions. [2022-12-13 18:24:29,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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) [2022-12-13 18:24:29,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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) [2022-12-13 18:24:29,313 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 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) [2022-12-13 18:24:29,313 INFO L175 Difference]: Start difference. First operand has 23 places, 17 transitions, 58 flow. Second operand 4 states and 312 transitions. [2022-12-13 18:24:29,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 23 transitions, 123 flow [2022-12-13 18:24:29,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:24:29,315 INFO L231 Difference]: Finished difference. Result has 27 places, 19 transitions, 85 flow [2022-12-13 18:24:29,315 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=85, PETRI_PLACES=27, PETRI_TRANSITIONS=19} [2022-12-13 18:24:29,315 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, 8 predicate places. [2022-12-13 18:24:29,316 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 85 flow [2022-12-13 18:24:29,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2022-12-13 18:24:29,316 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:29,316 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:24:29,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:24:29,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:29,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1281541939, now seen corresponding path program 1 times [2022-12-13 18:24:29,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:29,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043879640] [2022-12-13 18:24:29,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:29,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:29,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043879640] [2022-12-13 18:24:29,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043879640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:29,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:29,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:24:29,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429330524] [2022-12-13 18:24:29,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:29,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:24:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:29,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:24:29,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:24:29,597 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 142 [2022-12-13 18:24:29,598 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:29,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:29,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 142 [2022-12-13 18:24:29,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:29,671 INFO L130 PetriNetUnfolder]: 25/70 cut-off events. [2022-12-13 18:24:29,671 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-12-13 18:24:29,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 70 events. 25/70 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 225 event pairs, 6 based on Foata normal form. 3/68 useless extension candidates. Maximal degree in co-relation 193. Up to 44 conditions per place. [2022-12-13 18:24:29,672 INFO L137 encePairwiseOnDemand]: 135/142 looper letters, 15 selfloop transitions, 8 changer transitions 6/29 dead transitions. [2022-12-13 18:24:29,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 29 transitions, 177 flow [2022-12-13 18:24:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:24:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 18:24:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 380 transitions. [2022-12-13 18:24:29,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5352112676056338 [2022-12-13 18:24:29,673 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 380 transitions. [2022-12-13 18:24:29,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 380 transitions. [2022-12-13 18:24:29,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:29,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 380 transitions. [2022-12-13 18:24:29,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 76.0) internal successors, (380), 5 states have internal predecessors, (380), 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) [2022-12-13 18:24:29,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2022-12-13 18:24:29,677 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2022-12-13 18:24:29,677 INFO L175 Difference]: Start difference. First operand has 27 places, 19 transitions, 85 flow. Second operand 5 states and 380 transitions. [2022-12-13 18:24:29,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 29 transitions, 177 flow [2022-12-13 18:24:29,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 29 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:24:29,678 INFO L231 Difference]: Finished difference. Result has 32 places, 21 transitions, 121 flow [2022-12-13 18:24:29,678 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=121, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2022-12-13 18:24:29,678 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, 13 predicate places. [2022-12-13 18:24:29,678 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 121 flow [2022-12-13 18:24:29,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:29,679 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:29,679 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:24:29,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:24:29,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:29,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1282896949, now seen corresponding path program 2 times [2022-12-13 18:24:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:29,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658062] [2022-12-13 18:24:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:29,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:29,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658062] [2022-12-13 18:24:29,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:29,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:29,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:24:29,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482643972] [2022-12-13 18:24:29,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:29,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:24:29,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:29,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:24:29,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:24:29,906 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 142 [2022-12-13 18:24:29,907 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:29,907 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:29,907 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 142 [2022-12-13 18:24:29,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:29,987 INFO L130 PetriNetUnfolder]: 18/51 cut-off events. [2022-12-13 18:24:29,987 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-12-13 18:24:29,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 51 events. 18/51 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 133 event pairs, 5 based on Foata normal form. 3/52 useless extension candidates. Maximal degree in co-relation 158. Up to 19 conditions per place. [2022-12-13 18:24:29,988 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 8 selfloop transitions, 8 changer transitions 11/27 dead transitions. [2022-12-13 18:24:29,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 186 flow [2022-12-13 18:24:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:24:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 18:24:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 518 transitions. [2022-12-13 18:24:29,990 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5211267605633803 [2022-12-13 18:24:29,990 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 518 transitions. [2022-12-13 18:24:29,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 518 transitions. [2022-12-13 18:24:29,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:29,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 518 transitions. [2022-12-13 18:24:29,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 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) [2022-12-13 18:24:29,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2022-12-13 18:24:29,995 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2022-12-13 18:24:29,995 INFO L175 Difference]: Start difference. First operand has 32 places, 21 transitions, 121 flow. Second operand 7 states and 518 transitions. [2022-12-13 18:24:29,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 186 flow [2022-12-13 18:24:29,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 162 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 18:24:29,997 INFO L231 Difference]: Finished difference. Result has 31 places, 14 transitions, 88 flow [2022-12-13 18:24:29,997 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=88, PETRI_PLACES=31, PETRI_TRANSITIONS=14} [2022-12-13 18:24:29,998 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, 12 predicate places. [2022-12-13 18:24:29,998 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 14 transitions, 88 flow [2022-12-13 18:24:29,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:29,998 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:29,999 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:24:29,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:24:29,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:29,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:29,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1280843676, now seen corresponding path program 1 times [2022-12-13 18:24:29,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:30,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628022474] [2022-12-13 18:24:30,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:30,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:30,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:30,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628022474] [2022-12-13 18:24:30,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628022474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:30,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:30,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:24:30,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342352719] [2022-12-13 18:24:30,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:30,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:24:30,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:30,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:24:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:24:30,232 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 142 [2022-12-13 18:24:30,233 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 14 transitions, 88 flow. Second operand has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:30,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:30,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 142 [2022-12-13 18:24:30,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:30,302 INFO L130 PetriNetUnfolder]: 5/24 cut-off events. [2022-12-13 18:24:30,302 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-12-13 18:24:30,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 24 events. 5/24 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 2 based on Foata normal form. 2/24 useless extension candidates. Maximal degree in co-relation 78. Up to 12 conditions per place. [2022-12-13 18:24:30,303 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 5 selfloop transitions, 4 changer transitions 8/17 dead transitions. [2022-12-13 18:24:30,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 17 transitions, 128 flow [2022-12-13 18:24:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:24:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 18:24:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 508 transitions. [2022-12-13 18:24:30,305 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5110663983903421 [2022-12-13 18:24:30,305 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 508 transitions. [2022-12-13 18:24:30,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 508 transitions. [2022-12-13 18:24:30,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:30,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 508 transitions. [2022-12-13 18:24:30,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 72.57142857142857) internal successors, (508), 7 states have internal predecessors, (508), 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) [2022-12-13 18:24:30,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2022-12-13 18:24:30,309 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2022-12-13 18:24:30,309 INFO L175 Difference]: Start difference. First operand has 31 places, 14 transitions, 88 flow. Second operand 7 states and 508 transitions. [2022-12-13 18:24:30,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 17 transitions, 128 flow [2022-12-13 18:24:30,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 96 flow, removed 1 selfloop flow, removed 8 redundant places. [2022-12-13 18:24:30,310 INFO L231 Difference]: Finished difference. Result has 26 places, 9 transitions, 46 flow [2022-12-13 18:24:30,310 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=46, PETRI_PLACES=26, PETRI_TRANSITIONS=9} [2022-12-13 18:24:30,311 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, 7 predicate places. [2022-12-13 18:24:30,311 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 9 transitions, 46 flow [2022-12-13 18:24:30,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2022-12-13 18:24:30,312 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:24:30,312 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:24:30,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:24:30,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 18:24:30,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:30,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1284245616, now seen corresponding path program 2 times [2022-12-13 18:24:30,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:24:30,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390979379] [2022-12-13 18:24:30,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:30,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:24:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:24:30,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:24:30,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390979379] [2022-12-13 18:24:30,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390979379] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:24:30,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:24:30,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:24:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665479050] [2022-12-13 18:24:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:24:30,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:24:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:24:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:24:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:24:30,540 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 142 [2022-12-13 18:24:30,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 9 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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) [2022-12-13 18:24:30,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:24:30,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 142 [2022-12-13 18:24:30,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:24:30,574 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-13 18:24:30,574 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 18:24:30,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 7 events. 0/7 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 18:24:30,574 INFO L137 encePairwiseOnDemand]: 136/142 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions. [2022-12-13 18:24:30,574 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 7 transitions, 48 flow [2022-12-13 18:24:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:24:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:24:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 423 transitions. [2022-12-13 18:24:30,576 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4964788732394366 [2022-12-13 18:24:30,576 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 423 transitions. [2022-12-13 18:24:30,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 423 transitions. [2022-12-13 18:24:30,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:24:30,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 423 transitions. [2022-12-13 18:24:30,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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) [2022-12-13 18:24:30,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2022-12-13 18:24:30,578 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2022-12-13 18:24:30,578 INFO L175 Difference]: Start difference. First operand has 26 places, 9 transitions, 46 flow. Second operand 6 states and 423 transitions. [2022-12-13 18:24:30,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 7 transitions, 48 flow [2022-12-13 18:24:30,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 7 transitions, 31 flow, removed 0 selfloop flow, removed 9 redundant places. [2022-12-13 18:24:30,579 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2022-12-13 18:24:30,579 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2022-12-13 18:24:30,579 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places. [2022-12-13 18:24:30,579 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2022-12-13 18:24:30,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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) [2022-12-13 18:24:30,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-12-13 18:24:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-12-13 18:24:30,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:24:30,584 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-12-13 18:24:30,588 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:24:30,588 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:24:30,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:24:30 BasicIcfg [2022-12-13 18:24:30,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:24:30,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:24:30,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:24:30,592 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:24:30,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:24:26" (3/4) ... [2022-12-13 18:24:30,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:24:30,600 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 18:24:30,603 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 18:24:30,603 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:24:30,604 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:24:30,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:24:30,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:24:30,631 INFO L158 Benchmark]: Toolchain (without parser) took 4944.19ms. Allocated memory is still 138.4MB. Free memory was 104.4MB in the beginning and 64.7MB in the end (delta: 39.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-12-13 18:24:30,631 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:24:30,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.65ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 77.1MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 18:24:30,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:24:30,633 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 138.4MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:24:30,633 INFO L158 Benchmark]: RCFGBuilder took 316.66ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 59.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:24:30,633 INFO L158 Benchmark]: TraceAbstraction took 4119.20ms. Allocated memory is still 138.4MB. Free memory was 58.9MB in the beginning and 66.8MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:24:30,634 INFO L158 Benchmark]: Witness Printer took 38.56ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:24:30,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.65ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 77.1MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 138.4MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.66ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 59.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4119.20ms. Allocated memory is still 138.4MB. Free memory was 58.9MB in the beginning and 66.8MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.56ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 75 PlacesBefore, 19 PlacesAfterwards, 71 TransitionsBefore, 15 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 1363 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 820, independent: 700, independent conditional: 0, independent unconditional: 700, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 407, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 820, independent: 312, independent conditional: 0, independent unconditional: 312, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 407, unknown conditional: 0, unknown unconditional: 407] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 663 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1111 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 18 mSDtfsCounter, 1111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:24:30,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a244250-6b64-4263-8e66-7f1f2114956f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE