./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 088f6c2624c9ef470b1e5d5938ff0e2c2948b61c2ac98da6e426747245a7aaad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:07:38,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:07:39,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-06 14:07:39,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:07:39,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:07:39,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:07:39,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:07:39,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:07:39,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:07:39,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:07:39,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:07:39,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:07:39,190 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:07:39,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:07:39,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 14:07:39,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:07:39,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:07:39,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:07:39,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:07:39,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 14:07:39,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:07:39,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 14:07:39,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:07:39,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 14:07:39,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:07:39,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:07:39,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:07:39,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:07:39,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:07:39,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:07:39,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:07:39,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 14:07:39,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:07:39,202 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-06 14:07:39,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:07:39,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:07:39,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:07:39,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 14:07:39,204 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:07:39,204 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:07:39,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088f6c2624c9ef470b1e5d5938ff0e2c2948b61c2ac98da6e426747245a7aaad [2023-11-06 14:07:39,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:07:39,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:07:39,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:07:39,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:07:39,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:07:39,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2023-11-06 14:07:42,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:07:43,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:07:43,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2023-11-06 14:07:43,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/data/37277e8e6/b6512d9e65544eeca72effb7d6fec32d/FLAG3c516f930 [2023-11-06 14:07:43,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/data/37277e8e6/b6512d9e65544eeca72effb7d6fec32d [2023-11-06 14:07:43,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:07:43,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:07:43,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:07:43,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:07:43,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:07:43,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:43,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc092f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43, skipping insertion in model container [2023-11-06 14:07:43,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:43,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:07:43,630 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-11-06 14:07:43,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:07:43,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:07:43,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-11-06 14:07:43,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:07:43,854 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:07:43,854 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:07:43,865 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:07:43,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43 WrapperNode [2023-11-06 14:07:43,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:07:43,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:07:43,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:07:43,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:07:43,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:43,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,081 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2376 [2023-11-06 14:07:44,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:07:44,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:07:44,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:07:44,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:07:44,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:07:44,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:07:44,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:07:44,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:07:44,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (1/1) ... [2023-11-06 14:07:44,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:07:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:07:44,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:07:44,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:07:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:07:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 14:07:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 14:07:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 14:07:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 14:07:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 14:07:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 14:07:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 14:07:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 14:07:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 14:07:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 14:07:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 14:07:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 14:07:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:07:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:07:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:07:44,368 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 14:07:44,636 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:07:44,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:07:47,068 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 14:07:50,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 14:07:50,493 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-06 14:07:50,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:07:50 BoogieIcfgContainer [2023-11-06 14:07:50,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 14:07:50,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 14:07:50,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 14:07:50,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 14:07:50,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:07:43" (1/3) ... [2023-11-06 14:07:50,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad56a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:07:50, skipping insertion in model container [2023-11-06 14:07:50,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:07:43" (2/3) ... [2023-11-06 14:07:50,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad56a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:07:50, skipping insertion in model container [2023-11-06 14:07:50,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:07:50" (3/3) ... [2023-11-06 14:07:50,510 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-11-06 14:07:50,521 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 14:07:50,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 14:07:50,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 14:07:50,532 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 14:07:51,028 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 14:07:51,118 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:07:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:07:51,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:07:51,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:07:51,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-06 14:07:51,182 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:07:51,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-06 14:07:51,205 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=PARTIAL_ORDER_FA, 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;@3c2179eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:07:51,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 14:07:51,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:07:51,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:07:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash -697034950, now seen corresponding path program 1 times [2023-11-06 14:07:51,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:07:51,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070642642] [2023-11-06 14:07:51,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:07:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:07:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:07:52,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:07:52,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070642642] [2023-11-06 14:07:52,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070642642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:07:52,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:07:52,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 14:07:52,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485468980] [2023-11-06 14:07:52,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:07:52,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 14:07:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:07:52,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 14:07:52,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 14:07:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:52,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:07:52,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 258.5) internal successors, (517), 2 states have internal predecessors, (517), 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) [2023-11-06 14:07:52,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:52,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 14:07:52,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:07:52,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:07:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1914648916, now seen corresponding path program 1 times [2023-11-06 14:07:52,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:07:52,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961282510] [2023-11-06 14:07:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:07:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:07:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:07:53,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:07:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961282510] [2023-11-06 14:07:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961282510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:07:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:07:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:07:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602050810] [2023-11-06 14:07:53,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:07:53,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:07:53,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:07:53,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:07:53,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:07:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:53,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:07:53,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.4) internal successors, (492), 5 states have internal predecessors, (492), 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) [2023-11-06 14:07:53,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:53,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:54,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 14:07:54,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:07:54,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:07:54,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2009387009, now seen corresponding path program 1 times [2023-11-06 14:07:54,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:07:54,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082496856] [2023-11-06 14:07:54,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:07:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:07:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-06 14:07:55,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:07:55,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082496856] [2023-11-06 14:07:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082496856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:07:55,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:07:55,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:07:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732440642] [2023-11-06 14:07:55,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:07:55,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:07:55,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:07:55,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:07:55,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:07:55,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:55,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:07:55,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 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) [2023-11-06 14:07:55,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:55,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:55,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:55,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 14:07:55,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:07:55,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:07:55,797 INFO L85 PathProgramCache]: Analyzing trace with hash 774836585, now seen corresponding path program 1 times [2023-11-06 14:07:55,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:07:55,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584602510] [2023-11-06 14:07:55,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:07:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:07:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 14:07:56,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:07:56,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584602510] [2023-11-06 14:07:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584602510] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 14:07:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058271434] [2023-11-06 14:07:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:56,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 14:07:56,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:07:56,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 14:07:56,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 14:07:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:07:57,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 14:07:57,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:07:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 14:07:57,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 14:07:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 14:07:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058271434] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 14:07:57,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 14:07:57,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-06 14:07:57,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367585607] [2023-11-06 14:07:57,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 14:07:57,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 14:07:57,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:07:57,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 14:07:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 14:07:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:57,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:07:57,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 41.8) internal successors, (627), 15 states have internal predecessors, (627), 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) [2023-11-06 14:07:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:07:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:07:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:07:59,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 14:07:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 14:07:59,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:07:59,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:07:59,316 INFO L85 PathProgramCache]: Analyzing trace with hash -942145239, now seen corresponding path program 2 times [2023-11-06 14:07:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:07:59,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128144731] [2023-11-06 14:07:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:07:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:07:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-06 14:08:00,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:08:00,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128144731] [2023-11-06 14:08:00,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128144731] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 14:08:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579072940] [2023-11-06 14:08:00,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 14:08:00,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 14:08:00,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:00,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 14:08:00,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 14:08:01,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 14:08:01,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 14:08:01,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 14:08:01,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:08:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-06 14:08:01,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 14:08:01,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579072940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:01,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 14:08:01,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-11-06 14:08:01,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437686200] [2023-11-06 14:08:01,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:01,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 14:08:01,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:08:01,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 14:08:01,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-06 14:08:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:01,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:01,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 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) [2023-11-06 14:08:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:01,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:01,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:01,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:08:01,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 14:08:02,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 14:08:02,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:08:02,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 630205782, now seen corresponding path program 1 times [2023-11-06 14:08:02,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:08:02,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947200940] [2023-11-06 14:08:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:02,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:08:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-06 14:08:03,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:08:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947200940] [2023-11-06 14:08:03,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947200940] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 14:08:03,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447640339] [2023-11-06 14:08:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 14:08:03,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:03,246 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 14:08:03,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 14:08:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:04,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 14:08:04,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 14:08:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-06 14:08:04,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 14:08:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-06 14:08:04,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447640339] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 14:08:04,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 14:08:04,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-06 14:08:04,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773923203] [2023-11-06 14:08:04,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 14:08:04,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 14:08:04,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:08:04,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 14:08:04,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-06 14:08:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:04,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:04,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 30.09090909090909) internal successors, (662), 22 states have internal predecessors, (662), 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) [2023-11-06 14:08:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:08:04,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 14:08:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:08:06,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-06 14:08:06,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 14:08:06,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d59f9a-70da-4c91-b920-e7da439afdb3/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 14:08:06,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-06 14:08:06,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash -689773184, now seen corresponding path program 2 times [2023-11-06 14:08:06,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:08:06,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126053395] [2023-11-06 14:08:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:06,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:08:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat