./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:35:56,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:56,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:56,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:56,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:56,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:56,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:56,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:56,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:56,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:56,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:56,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:56,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:56,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:56,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:56,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:56,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:56,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:56,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:56,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:56,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:56,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:56,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:56,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:56,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:56,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:56,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:56,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:56,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:56,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:56,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:56,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:56,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:56,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:56,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:56,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:56,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:56,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:56,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:56,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:56,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:56,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:35:56,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:56,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:56,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:56,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:56,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:56,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:56,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:56,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:56,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:56,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:56,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:56,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:56,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:56,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:56,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:56,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:56,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:56,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:56,691 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:56,691 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:56,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:56,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:56,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:56,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:56,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:56,694 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:56,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:56,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:56,695 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_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2022-10-17 16:35:56,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:57,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:57,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:57,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:57,025 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:57,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-10-17 16:35:57,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/data/40c21d385/6c65b937bd8a4610bdf35405db429bee/FLAGa28b3c487 [2022-10-17 16:35:57,655 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:57,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-10-17 16:35:57,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/data/40c21d385/6c65b937bd8a4610bdf35405db429bee/FLAGa28b3c487 [2022-10-17 16:35:58,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/data/40c21d385/6c65b937bd8a4610bdf35405db429bee [2022-10-17 16:35:58,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:58,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:58,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:58,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:58,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:58,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec1ad35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58, skipping insertion in model container [2022-10-17 16:35:58,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:58,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:58,256 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_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2022-10-17 16:35:58,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:58,286 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:58,304 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_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2022-10-17 16:35:58,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:58,343 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:58,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58 WrapperNode [2022-10-17 16:35:58,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:58,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:58,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:58,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:58,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,387 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-10-17 16:35:58,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:58,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:58,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:58,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:58,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:58,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:58,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:58,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:58,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:58,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:58,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e5a125-a0f0-4b2a-bca2-6e04369cf242/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:35:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:35:58,591 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:58,593 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:58,751 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:58,772 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:58,773 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:35:58,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:58 BoogieIcfgContainer [2022-10-17 16:35:58,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:58,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:58,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:58,787 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:58,788 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:58" (1/1) ... [2022-10-17 16:35:58,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:35:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:35:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:58,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:58,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:35:58,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:35:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:35:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:59,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:59,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:35:59,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:35:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:35:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:59,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:59,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:35:59,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:21,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 21.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:36:42,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 21.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:36:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:36:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:36:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:42,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:42,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:36:42,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-10-17 16:36:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-10-17 16:36:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:43,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:36:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2022-10-17 16:36:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2022-10-17 16:36:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:43,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:43,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:43,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:44,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2022-10-17 16:36:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2022-10-17 16:36:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:44,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:44,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:44,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2022-10-17 16:36:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2022-10-17 16:36:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:36:45,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:45,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:45,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 42 states and 90 transitions. [2022-10-17 16:36:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 90 transitions. [2022-10-17 16:36:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:36:46,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:46,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:46,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:36:46,240 INFO L286 TraceCheckSpWp]: Computing forward predicates...