./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA --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 e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:50:40,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:50:40,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:50:41,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:50:41,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:50:41,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:50:41,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:50:41,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:50:41,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:50:41,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:50:41,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:50:41,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:50:41,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:50:41,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:50:41,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:50:41,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:50:41,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:50:41,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:50:41,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:50:41,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:50:41,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:50:41,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:50:41,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:50:41,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:50:41,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:50:41,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:50:41,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:50:41,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:50:41,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:50:41,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:50:41,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:50:41,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:50:41,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:50:41,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:50:41,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:50:41,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:50:41,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:50:41,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:50:41,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:50:41,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:50:41,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:50:41,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:50:41,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:50:41,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:50:41,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:50:41,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:50:41,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:50:41,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:50:41,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:50:41,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:50:41,104 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:50:41,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:50:41,105 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:50:41,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:50:41,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:50:41,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:50:41,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:50:41,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:50:41,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:50:41,107 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:50:41,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:50:41,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:50:41,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:50:41,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:50:41,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:50:41,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:50:41,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:50:41,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:50:41,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:50:41,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:50:41,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:50:41,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:50:41,111 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:50:41,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:50:41,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:50:41,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:50:41,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:50:41,112 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:50:41,112 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:50:41,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2021-12-07 09:50:41,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:50:41,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:50:41,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:50:41,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:50:41,384 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:50:41,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2021-12-07 09:50:41,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/data/f8c748d2b/5668ad0fd59e48a8b3cb24df924e283c/FLAGc7441b5a5 [2021-12-07 09:50:41,938 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:50:41,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2021-12-07 09:50:41,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/data/f8c748d2b/5668ad0fd59e48a8b3cb24df924e283c/FLAGc7441b5a5 [2021-12-07 09:50:42,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/data/f8c748d2b/5668ad0fd59e48a8b3cb24df924e283c [2021-12-07 09:50:42,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:50:42,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:50:42,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:50:42,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:50:42,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:50:42,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd22d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42, skipping insertion in model container [2021-12-07 09:50:42,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:50:42,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:50:42,588 WARN L230 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_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2021-12-07 09:50:42,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:50:42,604 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:50:42,630 WARN L230 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_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2021-12-07 09:50:42,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:50:42,645 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:50:42,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42 WrapperNode [2021-12-07 09:50:42,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:50:42,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:50:42,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:50:42,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:50:42,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,705 INFO L137 Inliner]: procedures = 25, calls = 61, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 315 [2021-12-07 09:50:42,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:50:42,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:50:42,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:50:42,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:50:42,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:50:42,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:50:42,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:50:42,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:50:42,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (1/1) ... [2021-12-07 09:50:42,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:50:42,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:42,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:50:42,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:50:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:50:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:50:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:50:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-07 09:50:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-07 09:50:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-07 09:50:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-07 09:50:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-07 09:50:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-07 09:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 09:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:50:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:50:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:50:42,831 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:50:42,927 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:50:42,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:50:43,439 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:50:43,607 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:50:43,607 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-07 09:50:43,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:50:43 BoogieIcfgContainer [2021-12-07 09:50:43,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:50:43,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:50:43,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:50:43,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:50:43,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:50:42" (1/3) ... [2021-12-07 09:50:43,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c79d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:50:43, skipping insertion in model container [2021-12-07 09:50:43,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:42" (2/3) ... [2021-12-07 09:50:43,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c79d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:50:43, skipping insertion in model container [2021-12-07 09:50:43,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:50:43" (3/3) ... [2021-12-07 09:50:43,617 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2021-12-07 09:50:43,630 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:50:43,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:50:43,631 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:50:43,631 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:50:43,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,715 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,717 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,719 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,734 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,736 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,741 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,756 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,760 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:43,768 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 09:50:43,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:50:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:43,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:50:43,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:50:43,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:50:43,879 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 09:50:43,879 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 09:50:44,029 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,030 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,030 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,131 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,132 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,132 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1780687550, now seen corresponding path program 1 times [2021-12-07 09:50:44,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:44,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789371805] [2021-12-07 09:50:44,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:44,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:44,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:44,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789371805] [2021-12-07 09:50:44,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789371805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:44,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:44,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:50:44,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113778019] [2021-12-07 09:50:44,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:44,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:50:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:50:44,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:50:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:44,561 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:44,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2021-12-07 09:50:44,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:44,628 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,636 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,636 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:44,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:50:44,691 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:44,694 INFO L85 PathProgramCache]: Analyzing trace with hash -531301805, now seen corresponding path program 1 times [2021-12-07 09:50:44,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:44,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525703938] [2021-12-07 09:50:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:44,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:45,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:45,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525703938] [2021-12-07 09:50:45,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525703938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:45,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:45,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:50:45,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502596882] [2021-12-07 09:50:45,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:45,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:50:45,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:50:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:50:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:45,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:45,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 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) [2021-12-07 09:50:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:45,303 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,303 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,304 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,353 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,364 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,364 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,365 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,416 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,416 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,417 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,448 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,453 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,454 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,454 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,468 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,468 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,468 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,506 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,507 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,507 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,535 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,684 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,685 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,685 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,696 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,697 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,697 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:45,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:45,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:50:45,817 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:45,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:45,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1128780377, now seen corresponding path program 1 times [2021-12-07 09:50:45,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:45,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635704915] [2021-12-07 09:50:45,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:45,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 09:50:46,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:46,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635704915] [2021-12-07 09:50:46,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635704915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:46,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:46,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 09:50:46,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666707554] [2021-12-07 09:50:46,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:46,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 09:50:46,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:46,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 09:50:46,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 09:50:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:46,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 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) [2021-12-07 09:50:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:46,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:50:46,313 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2090601909, now seen corresponding path program 1 times [2021-12-07 09:50:46,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:46,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176097128] [2021-12-07 09:50:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:46,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 09:50:46,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:46,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176097128] [2021-12-07 09:50:46,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176097128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:46,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:46,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:50:46,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215045056] [2021-12-07 09:50:46,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:46,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:50:46,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:46,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:50:46,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:50:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,483 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:46,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2021-12-07 09:50:46,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:46,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,519 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:46,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 09:50:46,538 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:46,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:46,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2106698941, now seen corresponding path program 2 times [2021-12-07 09:50:46,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:46,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916722136] [2021-12-07 09:50:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:46,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 09:50:46,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:46,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916722136] [2021-12-07 09:50:46,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916722136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:46,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:46,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:50:46,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872623385] [2021-12-07 09:50:46,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:46,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:50:46,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:46,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:50:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:50:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:46,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.5) internal successors, (213), 6 states have internal predecessors, (213), 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) [2021-12-07 09:50:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,859 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,859 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,860 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,868 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,868 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,880 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,880 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,881 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:46,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 09:50:46,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:46,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:46,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1962643147, now seen corresponding path program 1 times [2021-12-07 09:50:46,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:46,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030634002] [2021-12-07 09:50:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:46,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:50:47,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:47,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030634002] [2021-12-07 09:50:47,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030634002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:47,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:47,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:50:47,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044403095] [2021-12-07 09:50:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:47,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:50:47,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:47,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:50:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:50:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:47,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:47,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2021-12-07 09:50:47,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:47,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:47,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:47,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:47,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,501 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:47,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 09:50:47,525 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash 862878973, now seen corresponding path program 1 times [2021-12-07 09:50:47,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:47,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340074105] [2021-12-07 09:50:47,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:47,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:50:47,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:47,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340074105] [2021-12-07 09:50:47,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340074105] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:50:47,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293577104] [2021-12-07 09:50:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:47,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:47,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:47,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:50:47,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 09:50:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:48,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-07 09:50:48,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:50:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:50:49,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:50:49,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2021-12-07 09:50:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:50:50,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293577104] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:50:50,015 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:50:50,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 23 [2021-12-07 09:50:50,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646347482] [2021-12-07 09:50:50,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:50:50,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-07 09:50:50,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:50,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-07 09:50:50,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-12-07 09:50:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:50,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:50,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 16.52173913043478) internal successors, (380), 23 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:50:50,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:50,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:50,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:50,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:50,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:50,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:50,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:50,444 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,445 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,445 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,451 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,451 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,452 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,527 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,528 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,528 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,553 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,554 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,554 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,603 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,603 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,612 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,613 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,613 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,634 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,635 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,635 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,654 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,654 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,655 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,669 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,669 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,670 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:50,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-07 09:50:51,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:51,136 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:51,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:51,137 INFO L85 PathProgramCache]: Analyzing trace with hash 484748939, now seen corresponding path program 2 times [2021-12-07 09:50:51,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:51,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909573441] [2021-12-07 09:50:51,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:51,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 09:50:51,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:51,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909573441] [2021-12-07 09:50:51,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909573441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:51,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:51,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 09:50:51,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716291303] [2021-12-07 09:50:51,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:51,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 09:50:51,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:51,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 09:50:51,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 09:50:51,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:51,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:51,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 5 states have internal predecessors, (227), 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) [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:51,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:51,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:51,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:51,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 09:50:51,490 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:51,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash 25543129, now seen corresponding path program 1 times [2021-12-07 09:50:51,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:51,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502594161] [2021-12-07 09:50:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:51,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 09:50:51,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:51,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502594161] [2021-12-07 09:50:51,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502594161] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:50:51,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475175138] [2021-12-07 09:50:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:51,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:51,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:50:51,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 09:50:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:51,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:50:51,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:50:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 09:50:52,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 09:50:52,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475175138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:52,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 09:50:52,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-07 09:50:52,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822947148] [2021-12-07 09:50:52,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:52,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 09:50:52,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:52,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 09:50:52,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 09:50:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:52,147 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:52,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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) [2021-12-07 09:50:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:52,190 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:52,191 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:52,191 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:52,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 09:50:52,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:52,439 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1616675303, now seen corresponding path program 2 times [2021-12-07 09:50:52,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:52,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633044474] [2021-12-07 09:50:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:52,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 09:50:52,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:52,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633044474] [2021-12-07 09:50:52,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633044474] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:50:52,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148339993] [2021-12-07 09:50:52,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:50:52,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:52,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:50:52,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 09:50:52,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:50:52,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:50:52,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-07 09:50:52,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:50:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 09:50:53,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:50:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 09:50:54,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148339993] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:50:54,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:50:54,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2021-12-07 09:50:54,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120899981] [2021-12-07 09:50:54,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:50:54,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 09:50:54,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 09:50:54,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2021-12-07 09:50:54,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:54,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:54,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.4) internal successors, (385), 25 states have internal predecessors, (385), 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) [2021-12-07 09:50:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:54,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:54,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:54,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:54,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:54,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:54,741 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,742 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,742 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,754 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,845 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,846 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,846 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,891 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,912 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,951 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,951 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,952 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,957 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,980 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,981 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:54,981 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,014 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,014 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,015 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,020 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,021 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,021 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,026 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,027 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,027 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:50:55,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-07 09:50:55,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-07 09:50:55,277 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:55,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:55,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1148541063, now seen corresponding path program 3 times [2021-12-07 09:50:55,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:55,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215300913] [2021-12-07 09:50:55,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:55,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 09:50:55,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:55,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215300913] [2021-12-07 09:50:55,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215300913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:55,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:55,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-07 09:50:55,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227679153] [2021-12-07 09:50:55,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:55,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 09:50:55,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 09:50:55,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-07 09:50:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:55,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:55,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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) [2021-12-07 09:50:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:55,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:55,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:55,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:50:55,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:55,834 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,835 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,835 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,878 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,878 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,928 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,928 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,936 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,937 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,937 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,943 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,943 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,943 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,948 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,949 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,949 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,955 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,955 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,955 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,997 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,998 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:55,998 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,005 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,005 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,005 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,012 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,017 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,018 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,018 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:50:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:56,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 09:50:56,080 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:56,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:56,081 INFO L85 PathProgramCache]: Analyzing trace with hash 539151943, now seen corresponding path program 4 times [2021-12-07 09:50:56,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:56,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200772629] [2021-12-07 09:50:56,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:56,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 09:50:56,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:56,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200772629] [2021-12-07 09:50:56,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200772629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:56,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:56,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 09:50:56,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048370391] [2021-12-07 09:50:56,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:56,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-07 09:50:56,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:56,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 09:50:56,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-12-07 09:50:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:56,390 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:56,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.46153846153846) internal successors, (227), 13 states have internal predecessors, (227), 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) [2021-12-07 09:50:56,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:56,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:56,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:56,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:56,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:56,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:56,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,974 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,974 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,980 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,980 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:56,981 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:50:57,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 09:50:57,030 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash -607682579, now seen corresponding path program 3 times [2021-12-07 09:50:57,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:57,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025374536] [2021-12-07 09:50:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:57,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:50:57,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:57,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025374536] [2021-12-07 09:50:57,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025374536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:57,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:57,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 09:50:57,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994664227] [2021-12-07 09:50:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:57,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 09:50:57,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 09:50:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 09:50:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:57,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:57,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.77777777777778) internal successors, (232), 9 states have internal predecessors, (232), 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) [2021-12-07 09:50:57,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:50:57,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:57,414 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:57,414 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:57,415 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:50:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:50:57,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 09:50:57,467 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash 603668647, now seen corresponding path program 1 times [2021-12-07 09:50:57,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:57,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957830450] [2021-12-07 09:50:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:57,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:50:57,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:57,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957830450] [2021-12-07 09:50:57,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957830450] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:50:57,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240367269] [2021-12-07 09:50:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:57,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:57,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:57,619 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:50:57,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 09:50:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:57,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:50:57,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:50:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-07 09:50:58,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 09:50:58,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240367269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:58,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 09:50:58,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-07 09:50:58,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522946486] [2021-12-07 09:50:58,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:58,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 09:50:58,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 09:50:58,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 09:50:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:58,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:58,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 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) [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:58,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:50:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:58,234 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:58,234 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:58,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:50:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:50:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:50:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:50:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:50:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:50:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:50:58,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 09:50:58,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-07 09:50:58,485 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:58,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:58,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1494109415, now seen corresponding path program 2 times [2021-12-07 09:50:58,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:58,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659614625] [2021-12-07 09:50:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:58,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:50:58,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:58,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659614625] [2021-12-07 09:50:58,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659614625] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:50:58,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924849747] [2021-12-07 09:50:58,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:50:58,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:50:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:58,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:50:58,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 09:50:59,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:50:59,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:50:59,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-07 09:50:59,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:50:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:50:59,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:51:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:51:00,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924849747] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:51:00,617 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:51:00,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 23 [2021-12-07 09:51:00,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434899128] [2021-12-07 09:51:00,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:51:00,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-07 09:51:00,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:51:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-07 09:51:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-12-07 09:51:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:00,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:51:00,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 17.304347826086957) internal successors, (398), 23 states have internal predecessors, (398), 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) [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:51:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:00,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:00,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:00,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:00,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,023 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,024 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,024 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,030 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,030 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,030 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,061 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,061 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,061 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,084 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,196 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,197 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,197 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,202 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,203 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,203 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,212 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,212 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,212 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,223 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,223 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,224 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,230 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,256 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,256 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,256 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,289 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,289 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,290 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:01,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:51:01,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-07 09:51:01,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-07 09:51:01,555 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:51:01,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:51:01,556 INFO L85 PathProgramCache]: Analyzing trace with hash -117593989, now seen corresponding path program 4 times [2021-12-07 09:51:01,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:51:01,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903013295] [2021-12-07 09:51:01,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:51:01,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:51:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:51:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:51:02,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:51:02,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903013295] [2021-12-07 09:51:02,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903013295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:51:02,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:51:02,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-07 09:51:02,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491705957] [2021-12-07 09:51:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:51:02,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 09:51:02,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:51:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 09:51:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-07 09:51:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:02,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:51:02,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.5) internal successors, (232), 16 states have internal predecessors, (232), 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) [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:02,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:51:02,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:02,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,566 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,566 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,655 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,656 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,656 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,731 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,731 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,731 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,740 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,740 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,741 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,746 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,747 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,747 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,760 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,760 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,761 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,767 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,767 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,946 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,947 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,947 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:02,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:03,036 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:03,036 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:03,037 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:03,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:51:03,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:51:03,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 09:51:03,099 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:51:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:51:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1639738945, now seen corresponding path program 3 times [2021-12-07 09:51:03,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:51:03,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295073115] [2021-12-07 09:51:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:51:03,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:51:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:51:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:51:05,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:51:05,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295073115] [2021-12-07 09:51:05,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295073115] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:51:05,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808600368] [2021-12-07 09:51:05,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 09:51:05,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:51:05,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:51:05,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:51:05,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 09:51:05,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 09:51:05,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:51:05,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 102 conjunts are in the unsatisfiable core [2021-12-07 09:51:05,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:51:09,498 INFO L354 Elim1Store]: treesize reduction 9, result has 85.7 percent of original size [2021-12-07 09:51:09,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 70 [2021-12-07 09:51:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:51:10,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:51:12,759 INFO L354 Elim1Store]: treesize reduction 20, result has 92.8 percent of original size [2021-12-07 09:51:12,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 98 treesize of output 290 [2021-12-07 09:51:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:51:42,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808600368] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:51:42,991 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:51:42,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 37, 18] total 90 [2021-12-07 09:51:42,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38689085] [2021-12-07 09:51:42,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:51:42,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-12-07 09:51:42,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:51:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-12-07 09:51:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=7537, Unknown=0, NotChecked=0, Total=8010 [2021-12-07 09:51:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:42,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:51:42,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.677777777777778) internal successors, (601), 90 states have internal predecessors, (601), 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) [2021-12-07 09:51:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:51:43,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:51:43,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:49,786 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:49,787 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:49,787 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,535 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,536 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,536 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,584 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,584 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:50,584 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:51,570 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:51,571 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:51,571 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:51:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:51:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-12-07 09:51:51,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-07 09:51:52,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-07 09:51:52,144 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:51:52,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:51:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash -373350119, now seen corresponding path program 4 times [2021-12-07 09:51:52,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:51:52,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82124584] [2021-12-07 09:51:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:51:52,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:51:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:51:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-07 09:51:52,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:51:52,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82124584] [2021-12-07 09:51:52,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82124584] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:51:52,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421384235] [2021-12-07 09:51:52,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 09:51:52,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:51:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:51:52,368 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:51:52,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 09:51:52,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 09:51:52,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:51:52,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 09:51:52,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:51:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:51:53,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:51:53,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2021-12-07 09:51:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:51:54,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421384235] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:51:54,356 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:51:54,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 14] total 29 [2021-12-07 09:51:54,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453927640] [2021-12-07 09:51:54,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:51:54,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-07 09:51:54,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:51:54,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-07 09:51:54,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-12-07 09:51:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:54,359 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:51:54,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 18.689655172413794) internal successors, (542), 29 states have internal predecessors, (542), 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) [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:51:54,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:51:54,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:51:54,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:51:54,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:51:54,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-12-07 09:51:54,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:51:54,851 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,851 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,851 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,931 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,932 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:54,932 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,462 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,587 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,587 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,587 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,613 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,614 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:56,614 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,073 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,241 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,241 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,241 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,288 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,289 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,289 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,298 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,298 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,299 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,302 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,302 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,303 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,307 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:51:57,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,397 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,397 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,397 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,452 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,453 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,453 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,472 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,473 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,473 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,552 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,553 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,553 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,573 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,573 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,573 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,600 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,600 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,601 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:02,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,503 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,503 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,503 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,549 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,572 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,572 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,573 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 09:52:03,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-07 09:52:03,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-07 09:52:03,825 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:52:03,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:52:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash -318793211, now seen corresponding path program 5 times [2021-12-07 09:52:03,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:52:03,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115387564] [2021-12-07 09:52:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:52:03,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:52:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:52:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 09:52:04,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:52:04,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115387564] [2021-12-07 09:52:04,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115387564] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:52:04,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417643899] [2021-12-07 09:52:04,137 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 09:52:04,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:52:04,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:52:04,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 09:52:04,385 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-07 09:52:04,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:52:04,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 09:52:04,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:52:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 09:52:05,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:52:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 09:52:05,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417643899] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:52:05,865 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:52:05,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 32 [2021-12-07 09:52:05,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902078394] [2021-12-07 09:52:05,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:52:05,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-07 09:52:05,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:52:05,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-07 09:52:05,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2021-12-07 09:52:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:05,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:52:05,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 13.28125) internal successors, (425), 32 states have internal predecessors, (425), 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) [2021-12-07 09:52:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:05,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-12-07 09:52:05,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:06,465 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,465 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,466 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,559 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,559 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,559 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,569 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,569 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,569 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,578 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,578 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,578 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,608 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,608 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,658 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,658 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,658 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,663 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,663 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,663 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,674 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,674 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,674 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,686 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,708 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,708 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,709 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,720 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,720 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,720 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,731 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,732 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,732 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:06,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:06,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:06,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:06,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-07 09:52:07,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:07,093 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:52:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:52:07,094 INFO L85 PathProgramCache]: Analyzing trace with hash 877342221, now seen corresponding path program 6 times [2021-12-07 09:52:07,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:52:07,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493167586] [2021-12-07 09:52:07,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:52:07,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:52:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:52:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 09:52:08,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:52:08,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493167586] [2021-12-07 09:52:08,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493167586] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:52:08,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172304063] [2021-12-07 09:52:08,243 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-07 09:52:08,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:52:08,244 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:52:08,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 09:52:08,533 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-07 09:52:08,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:52:08,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-07 09:52:08,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:52:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-07 09:52:12,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:52:13,066 INFO L354 Elim1Store]: treesize reduction 12, result has 89.0 percent of original size [2021-12-07 09:52:13,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 109 [2021-12-07 09:52:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-07 09:52:14,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172304063] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:52:14,414 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:52:14,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 13, 15] total 53 [2021-12-07 09:52:14,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053062615] [2021-12-07 09:52:14,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:52:14,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-12-07 09:52:14,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:52:14,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-12-07 09:52:14,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=2515, Unknown=1, NotChecked=0, Total=2756 [2021-12-07 09:52:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:14,418 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:52:14,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 9.88679245283019) internal successors, (524), 53 states have internal predecessors, (524), 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) [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:14,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:16,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:16,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:16,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:16,805 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:16,806 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:16,806 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:18,990 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:18,991 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,692 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,769 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,770 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,770 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:19,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-12-07 09:52:19,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-07 09:52:20,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:20,050 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:52:20,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:52:20,052 INFO L85 PathProgramCache]: Analyzing trace with hash 570836127, now seen corresponding path program 7 times [2021-12-07 09:52:20,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:52:20,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274726487] [2021-12-07 09:52:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:52:20,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:52:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:52:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-12-07 09:52:20,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:52:20,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274726487] [2021-12-07 09:52:20,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274726487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:52:20,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:52:20,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 09:52:20,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225500166] [2021-12-07 09:52:20,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:52:20,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 09:52:20,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:52:20,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 09:52:20,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 09:52:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:20,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:52:20,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 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) [2021-12-07 09:52:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:20,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:20,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:20,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:20,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-12-07 09:52:20,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:20,351 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,352 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,352 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,398 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,398 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,398 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-07 09:52:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:20,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 09:52:20,425 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:52:20,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:52:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash -62754105, now seen corresponding path program 8 times [2021-12-07 09:52:20,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:52:20,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051402831] [2021-12-07 09:52:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:52:20,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:52:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:52:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 28 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-07 09:52:20,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:52:20,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051402831] [2021-12-07 09:52:20,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051402831] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:52:20,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49460509] [2021-12-07 09:52:20,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:52:20,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:20,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:52:20,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:52:20,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-07 09:52:20,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:52:20,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:52:20,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 09:52:20,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:52:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-07 09:52:21,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:52:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-07 09:52:22,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49460509] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:52:22,563 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:52:22,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 32 [2021-12-07 09:52:22,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932029738] [2021-12-07 09:52:22,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:52:22,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-07 09:52:22,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:52:22,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-07 09:52:22,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2021-12-07 09:52:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:22,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:52:22,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 14.6875) internal successors, (470), 32 states have internal predecessors, (470), 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) [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:22,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:22,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:22,958 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:22,959 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:22,959 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,106 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,107 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,107 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,174 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,174 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,175 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,418 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,443 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,444 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,444 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,457 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,457 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,458 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,462 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,462 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,462 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,574 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,574 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,575 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:52:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:52:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-12-07 09:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 09:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-12-07 09:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-07 09:52:23,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-07 09:52:23,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:23,814 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:52:23,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:52:23,815 INFO L85 PathProgramCache]: Analyzing trace with hash 126600789, now seen corresponding path program 9 times [2021-12-07 09:52:23,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:52:23,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219863846] [2021-12-07 09:52:23,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:52:23,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:52:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:52:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:52:30,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:52:30,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219863846] [2021-12-07 09:52:30,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219863846] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:52:30,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708661807] [2021-12-07 09:52:30,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 09:52:30,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:52:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:52:30,310 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:52:30,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31fa9aba-d3ba-41df-baf6-5e9ee59eeb37/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-07 09:52:30,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-07 09:52:30,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:52:30,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 176 conjunts are in the unsatisfiable core [2021-12-07 09:52:30,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:53:08,044 INFO L354 Elim1Store]: treesize reduction 550, result has 23.7 percent of original size [2021-12-07 09:53:08,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 149 treesize of output 207 [2021-12-07 09:53:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:53:08,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:53:20,029 INFO L354 Elim1Store]: treesize reduction 205, result has 83.4 percent of original size [2021-12-07 09:53:20,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 173 treesize of output 1078