./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:16,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:16,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:16:16,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:16,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:16,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:16,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:16,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:16,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:16,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:16,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:16,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:16,999 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:17,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:17,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:17,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:17,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:16:17,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:17,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:17,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:17,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:17,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:17,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:16:17,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:16:17,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:17,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:17,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:17,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:17,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:17,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:17,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:17,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:17,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:17,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:17,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:16:17,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:16:17,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:17,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:17,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:17,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:17,015 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:17,016 INFO L153 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_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 [2023-11-12 02:16:17,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:17,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:17,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:17,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:17,367 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:17,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 02:16:20,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:21,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:21,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 02:16:21,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/data/83bfdcdb4/8eb63c5e8353438584ea821ac4ccfb74/FLAG197fbc553 [2023-11-12 02:16:21,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/data/83bfdcdb4/8eb63c5e8353438584ea821ac4ccfb74 [2023-11-12 02:16:21,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:21,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:21,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:21,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:21,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:21,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b52bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21, skipping insertion in model container [2023-11-12 02:16:21,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:21,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:21,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:21,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:21,842 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:16:21,842 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:16:21,856 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:21,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21 WrapperNode [2023-11-12 02:16:21,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:21,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:21,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:21,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:21,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,958 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2023-11-12 02:16:21,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:21,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:21,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:21,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:21,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:21,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:22,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:22,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:22,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:22,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (1/1) ... [2023-11-12 02:16:22,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:22,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:22,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:22,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:16:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 02:16:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 02:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 02:16:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 02:16:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 02:16:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 02:16:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:16:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:16:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:22,139 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:16:22,340 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:22,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:16:22,707 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:22,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:22,988 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:16:22,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:22 BoogieIcfgContainer [2023-11-12 02:16:22,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:22,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:22,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:22,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:23,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:21" (1/3) ... [2023-11-12 02:16:23,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d77ed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:23, skipping insertion in model container [2023-11-12 02:16:23,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:21" (2/3) ... [2023-11-12 02:16:23,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d77ed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:23, skipping insertion in model container [2023-11-12 02:16:23,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:22" (3/3) ... [2023-11-12 02:16:23,005 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-12 02:16:23,018 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:16:23,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:23,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 02:16:23,030 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:16:23,104 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:16:23,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 118 transitions, 248 flow [2023-11-12 02:16:23,245 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2023-11-12 02:16:23,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:16:23,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-12 02:16:23,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 118 transitions, 248 flow [2023-11-12 02:16:23,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 115 transitions, 239 flow [2023-11-12 02:16:23,262 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:16:23,280 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 115 transitions, 239 flow [2023-11-12 02:16:23,284 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 115 transitions, 239 flow [2023-11-12 02:16:23,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 239 flow [2023-11-12 02:16:23,343 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2023-11-12 02:16:23,343 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:16:23,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-11-12 02:16:23,348 INFO L119 LiptonReduction]: Number of co-enabled transitions 2724 [2023-11-12 02:16:27,912 INFO L134 LiptonReduction]: Checked pairs total: 8856 [2023-11-12 02:16:27,912 INFO L136 LiptonReduction]: Total number of compositions: 100 [2023-11-12 02:16:27,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:27,937 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=LoopHeads, 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;@363fd19a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:27,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-12 02:16:27,941 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:16:27,941 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-12 02:16:27,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:16:27,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:16:27,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:16:27,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:16:27,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:27,960 INFO L85 PathProgramCache]: Analyzing trace with hash 506548374, now seen corresponding path program 1 times [2023-11-12 02:16:27,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:27,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806028130] [2023-11-12 02:16:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:28,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:28,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806028130] [2023-11-12 02:16:28,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806028130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:28,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:28,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:16:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701249200] [2023-11-12 02:16:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:28,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:16:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:28,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:16:28,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:16:28,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 218 [2023-11-12 02:16:28,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 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) [2023-11-12 02:16:28,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:16:28,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 218 [2023-11-12 02:16:28,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:16:28,706 INFO L124 PetriNetUnfolderBase]: 921/1485 cut-off events. [2023-11-12 02:16:28,706 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-12 02:16:28,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3006 conditions, 1485 events. 921/1485 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7698 event pairs, 415 based on Foata normal form. 98/1114 useless extension candidates. Maximal degree in co-relation 2995. Up to 1359 conditions per place. [2023-11-12 02:16:28,730 INFO L140 encePairwiseOnDemand]: 206/218 looper letters, 34 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-11-12 02:16:28,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 173 flow [2023-11-12 02:16:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:16:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:16:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2023-11-12 02:16:28,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5122324159021406 [2023-11-12 02:16:28,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2023-11-12 02:16:28,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2023-11-12 02:16:28,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:16:28,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2023-11-12 02:16:28,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2023-11-12 02:16:28,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 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) [2023-11-12 02:16:28,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 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) [2023-11-12 02:16:28,778 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 67 flow. Second operand 3 states and 335 transitions. [2023-11-12 02:16:28,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 173 flow [2023-11-12 02:16:28,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:16:28,784 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 100 flow [2023-11-12 02:16:28,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2023-11-12 02:16:28,793 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2023-11-12 02:16:28,793 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 100 flow [2023-11-12 02:16:28,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 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) [2023-11-12 02:16:28,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:16:28,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:28,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:28,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:16:28,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1707633703, now seen corresponding path program 1 times [2023-11-12 02:16:28,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:28,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833996449] [2023-11-12 02:16:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:29,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833996449] [2023-11-12 02:16:29,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833996449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:29,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:29,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:16:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901368661] [2023-11-12 02:16:29,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:29,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:29,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:29,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:29,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 218 [2023-11-12 02:16:29,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-12 02:16:29,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:16:29,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 218 [2023-11-12 02:16:29,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:16:29,344 INFO L124 PetriNetUnfolderBase]: 627/1019 cut-off events. [2023-11-12 02:16:29,345 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-11-12 02:16:29,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 1019 events. 627/1019 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4833 event pairs, 231 based on Foata normal form. 0/856 useless extension candidates. Maximal degree in co-relation 2527. Up to 892 conditions per place. [2023-11-12 02:16:29,355 INFO L140 encePairwiseOnDemand]: 211/218 looper letters, 31 selfloop transitions, 4 changer transitions 0/38 dead transitions. [2023-11-12 02:16:29,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 182 flow [2023-11-12 02:16:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:16:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:16:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 422 transitions. [2023-11-12 02:16:29,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48394495412844035 [2023-11-12 02:16:29,359 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 422 transitions. [2023-11-12 02:16:29,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 422 transitions. [2023-11-12 02:16:29,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:16:29,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 422 transitions. [2023-11-12 02:16:29,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2023-11-12 02:16:29,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 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) [2023-11-12 02:16:29,366 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 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) [2023-11-12 02:16:29,366 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 100 flow. Second operand 4 states and 422 transitions. [2023-11-12 02:16:29,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 182 flow [2023-11-12 02:16:29,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 38 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:16:29,369 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 92 flow [2023-11-12 02:16:29,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=92, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2023-11-12 02:16:29,370 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2023-11-12 02:16:29,371 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 92 flow [2023-11-12 02:16:29,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-12 02:16:29,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:16:29,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:29,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:16:29,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:16:29,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1707633704, now seen corresponding path program 1 times [2023-11-12 02:16:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:29,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444855517] [2023-11-12 02:16:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:29,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444855517] [2023-11-12 02:16:29,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444855517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:29,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:16:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063979850] [2023-11-12 02:16:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:29,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:29,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:29,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 218 [2023-11-12 02:16:29,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-12 02:16:29,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:16:29,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 218 [2023-11-12 02:16:29,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:16:29,662 INFO L124 PetriNetUnfolderBase]: 246/436 cut-off events. [2023-11-12 02:16:29,662 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2023-11-12 02:16:29,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 436 events. 246/436 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1722 event pairs, 81 based on Foata normal form. 21/430 useless extension candidates. Maximal degree in co-relation 1081. Up to 165 conditions per place. [2023-11-12 02:16:29,667 INFO L140 encePairwiseOnDemand]: 210/218 looper letters, 36 selfloop transitions, 7 changer transitions 3/49 dead transitions. [2023-11-12 02:16:29,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 238 flow [2023-11-12 02:16:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:16:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:16:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 434 transitions. [2023-11-12 02:16:29,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49770642201834864 [2023-11-12 02:16:29,670 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 434 transitions. [2023-11-12 02:16:29,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 434 transitions. [2023-11-12 02:16:29,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:16:29,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 434 transitions. [2023-11-12 02:16:29,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 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) [2023-11-12 02:16:29,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 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) [2023-11-12 02:16:29,677 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 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) [2023-11-12 02:16:29,677 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 92 flow. Second operand 4 states and 434 transitions. [2023-11-12 02:16:29,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 238 flow [2023-11-12 02:16:29,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 49 transitions, 233 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:16:29,680 INFO L231 Difference]: Finished difference. Result has 39 places, 28 transitions, 115 flow [2023-11-12 02:16:29,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2023-11-12 02:16:29,681 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places. [2023-11-12 02:16:29,681 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 115 flow [2023-11-12 02:16:29,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2023-11-12 02:16:29,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:16:29,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:29,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:16:29,683 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-12 02:16:29,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1608535667, now seen corresponding path program 1 times [2023-11-12 02:16:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:29,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689209685] [2023-11-12 02:16:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:29,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:29,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:29,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689209685] [2023-11-12 02:16:29,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689209685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:29,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:29,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:16:29,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267859892] [2023-11-12 02:16:29,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:29,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:16:29,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:29,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:16:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:16:29,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 218 [2023-11-12 02:16:29,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 98.8) internal successors, (494), 5 states have internal predecessors, (494), 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) [2023-11-12 02:16:29,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:16:29,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 218 [2023-11-12 02:16:29,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:16:30,027 INFO L124 PetriNetUnfolderBase]: 194/328 cut-off events. [2023-11-12 02:16:30,027 INFO L125 PetriNetUnfolderBase]: For 300/300 co-relation queries the response was YES. [2023-11-12 02:16:30,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 956 conditions, 328 events. 194/328 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1242 event pairs, 65 based on Foata normal form. 14/333 useless extension candidates. Maximal degree in co-relation 943. Up to 145 conditions per place. [2023-11-12 02:16:30,030 INFO L140 encePairwiseOnDemand]: 210/218 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2023-11-12 02:16:30,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 199 flow [2023-11-12 02:16:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:16:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:16:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 520 transitions. [2023-11-12 02:16:30,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47706422018348627 [2023-11-12 02:16:30,033 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 520 transitions. [2023-11-12 02:16:30,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 520 transitions. [2023-11-12 02:16:30,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:16:30,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 520 transitions. [2023-11-12 02:16:30,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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) [2023-11-12 02:16:30,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 218.0) internal successors, (1308), 6 states have internal predecessors, (1308), 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) [2023-11-12 02:16:30,041 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 218.0) internal successors, (1308), 6 states have internal predecessors, (1308), 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) [2023-11-12 02:16:30,042 INFO L175 Difference]: Start difference. First operand has 39 places, 28 transitions, 115 flow. Second operand 5 states and 520 transitions. [2023-11-12 02:16:30,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 199 flow [2023-11-12 02:16:30,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 39 transitions, 175 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-12 02:16:30,046 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2023-11-12 02:16:30,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2023-11-12 02:16:30,049 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -6 predicate places. [2023-11-12 02:16:30,049 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow [2023-11-12 02:16:30,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.8) internal successors, (494), 5 states have internal predecessors, (494), 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) [2023-11-12 02:16:30,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-12 02:16:30,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-12 02:16:30,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-12 02:16:30,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-12 02:16:30,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-12 02:16:30,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-12 02:16:30,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-12 02:16:30,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-12 02:16:30,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-12 02:16:30,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-12 02:16:30,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-12 02:16:30,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-12 02:16:30,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-12 02:16:30,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-12 02:16:30,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-12 02:16:30,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:16:30,061 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:16:30,070 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:16:30,070 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:16:30,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:16:30 BasicIcfg [2023-11-12 02:16:30,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:16:30,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:16:30,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:16:30,087 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:16:30,088 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:22" (3/4) ... [2023-11-12 02:16:30,089 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:16:30,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-12 02:16:30,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-12 02:16:30,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-12 02:16:30,102 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-12 02:16:30,102 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 02:16:30,102 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:16:30,103 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:16:30,223 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:16:30,223 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:16:30,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:16:30,224 INFO L158 Benchmark]: Toolchain (without parser) took 9094.82ms. Allocated memory was 140.5MB in the beginning and 226.5MB in the end (delta: 86.0MB). Free memory was 107.2MB in the beginning and 177.1MB in the end (delta: -69.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,225 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:30,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.60ms. Allocated memory is still 140.5MB. Free memory was 107.2MB in the beginning and 84.3MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.39ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 81.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,226 INFO L158 Benchmark]: Boogie Preprocessor took 74.20ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,226 INFO L158 Benchmark]: RCFGBuilder took 958.37ms. Allocated memory is still 140.5MB. Free memory was 80.1MB in the beginning and 104.5MB in the end (delta: -24.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,227 INFO L158 Benchmark]: TraceAbstraction took 7084.76ms. Allocated memory was 140.5MB in the beginning and 226.5MB in the end (delta: 86.0MB). Free memory was 104.0MB in the beginning and 182.3MB in the end (delta: -78.3MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,227 INFO L158 Benchmark]: Witness Printer took 142.95ms. Allocated memory is still 226.5MB. Free memory was 182.3MB in the beginning and 177.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:16:30,229 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.60ms. Allocated memory is still 140.5MB. Free memory was 107.2MB in the beginning and 84.3MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.39ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 81.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.20ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 958.37ms. Allocated memory is still 140.5MB. Free memory was 80.1MB in the beginning and 104.5MB in the end (delta: -24.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7084.76ms. Allocated memory was 140.5MB in the beginning and 226.5MB in the end (delta: 86.0MB). Free memory was 104.0MB in the beginning and 182.3MB in the end (delta: -78.3MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. * Witness Printer took 142.95ms. Allocated memory is still 226.5MB. Free memory was 182.3MB in the beginning and 177.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 122 PlacesBefore, 38 PlacesAfterwards, 115 TransitionsBefore, 29 TransitionsAfterwards, 2724 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 100 TotalNumberOfCompositions, 8856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3039, independent: 2774, independent conditional: 0, independent unconditional: 2774, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1402, independent: 1363, independent conditional: 0, independent unconditional: 1363, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3039, independent: 1411, independent conditional: 0, independent unconditional: 1411, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 1402, unknown conditional: 0, unknown unconditional: 1402] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 749]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 749]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: 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 7 procedures, 148 locations, 15 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: 6.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 6 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:16:30,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b398cf5-b29e-44f3-a79a-ba822d62b4ea/bin/uautomizer-verify-uTZkv6EMXl/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