./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4 --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 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:16:43,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:16:43,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:16:43,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:16:43,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:16:43,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:16:43,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:16:43,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:16:43,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:16:43,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:16:43,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:16:43,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:16:43,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:16:43,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:16:43,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:16:43,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:16:43,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:16:43,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:16:43,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:16:43,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:16:43,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:16:43,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:16:43,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:16:43,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:16:43,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:16:43,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:16:43,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:16:43,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:16:43,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:16:43,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:16:43,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:16:43,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:16:43,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:16:43,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:16:43,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:16:43,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:16:43,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:16:43,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:16:43,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:16:43,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:16:43,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:16:43,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:16:43,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:16:43,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:16:43,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:16:43,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:16:43,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:16:43,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:16:43,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:16:43,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:16:43,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:16:43,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:16:43,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:16:43,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:16:43,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:16:43,458 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:16:43,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:16:43,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:16:43,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:43,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:16:43,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:16:43,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:16:43,460 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:16:43,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:16:43,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:16:43,460 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_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 [2022-12-14 19:16:43,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:16:43,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:16:43,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:16:43,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:16:43,679 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:16:43,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2022-12-14 19:16:46,288 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:16:46,444 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:16:46,445 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2022-12-14 19:16:46,450 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/data/3c3754729/83525ece4f6844b2b30ee2860473aac3/FLAG5f1ff1118 [2022-12-14 19:16:46,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/data/3c3754729/83525ece4f6844b2b30ee2860473aac3 [2022-12-14 19:16:46,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:16:46,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:16:46,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:46,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:16:46,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:16:46,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:46" (1/1) ... [2022-12-14 19:16:46,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aeafa48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:46, skipping insertion in model container [2022-12-14 19:16:46,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:46" (1/1) ... [2022-12-14 19:16:46,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:16:46,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:16:46,980 WARN L237 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_a61ff51a-9628-419e-8efc-e1ebd2d314ff/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c[535,548] [2022-12-14 19:16:46,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:47,005 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:16:47,014 WARN L237 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_a61ff51a-9628-419e-8efc-e1ebd2d314ff/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c[535,548] [2022-12-14 19:16:47,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:47,036 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:16:47,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47 WrapperNode [2022-12-14 19:16:47,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:47,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:47,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:16:47,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:16:47,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,061 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-12-14 19:16:47,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:47,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:16:47,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:16:47,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:16:47,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:16:47,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:16:47,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:16:47,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:16:47,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:16:47,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:16:47,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61ff51a-9628-419e-8efc-e1ebd2d314ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:16:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 19:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 19:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:16:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:16:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:16:47,181 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:16:47,183 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:16:47,292 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:16:47,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:16:47,308 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 19:16:47,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:47 BoogieIcfgContainer [2022-12-14 19:16:47,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:16:47,311 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:16:47,311 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:16:47,319 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:16:47,319 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:47" (1/1) ... [2022-12-14 19:16:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:16:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 19:16:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 19:16:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:16:47,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:47,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 19:16:47,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:16:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 19:16:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 19:16:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:16:47,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:47,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:47,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 19:16:47,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:16:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-14 19:16:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-14 19:16:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:16:47,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:47,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:47,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:16:47,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:16:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2022-12-14 19:16:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-14 19:16:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:16:48,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:48,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 19:16:48,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:16:53,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:16:55,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:16:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-12-14 19:16:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-14 19:16:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:16:55,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:55,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:55,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:16:55,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2022-12-14 19:17:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2022-12-14 19:17:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:17:02,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:02,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:02,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:17:02,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2022-12-14 19:17:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2022-12-14 19:17:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:02,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:02,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:17:02,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2022-12-14 19:17:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-12-14 19:17:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:15,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:15,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:15,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:17:15,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2022-12-14 19:17:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2022-12-14 19:17:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:17:22,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:22,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:17:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:17:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2022-12-14 19:17:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2022-12-14 19:17:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:17:22,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:22,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:22,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:17:22,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2022-12-14 19:17:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2022-12-14 19:17:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:17:41,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:17:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 131 transitions. [2022-12-14 19:17:49,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2022-12-14 19:17:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:17:49,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:49,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:49,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 19:17:49,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:18:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 153 transitions. [2022-12-14 19:18:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 153 transitions. [2022-12-14 19:18:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:18:21,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:21,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:18:21,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:18:31,925 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:18:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 19:19:06,031 WARN L233 SmtUtils]: Spent 20.32s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:26,639 WARN L233 SmtUtils]: Spent 20.34s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:39,322 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:50,234 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:57,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:20:17,554 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:20:38,945 WARN L233 SmtUtils]: Spent 20.51s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:20:52,907 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:21:03,497 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:21:23,823 WARN L233 SmtUtils]: Spent 20.15s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:21:45,428 WARN L233 SmtUtils]: Spent 20.23s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:21:56,143 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:22:06,718 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:22:27,383 WARN L233 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:22:48,246 WARN L233 SmtUtils]: Spent 20.69s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:01,529 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:12,179 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:32,840 WARN L233 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:54,130 WARN L233 SmtUtils]: Spent 20.25s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:05,194 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:15,707 WARN L233 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:36,488 WARN L233 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:12,398 WARN L233 SmtUtils]: Spent 20.24s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:22,985 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:33,603 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:54,470 WARN L233 SmtUtils]: Spent 20.44s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:15,936 WARN L233 SmtUtils]: Spent 20.37s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:27,864 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:38,462 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:46,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:26:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:26:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 181 transitions. [2022-12-14 19:26:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 181 transitions. [2022-12-14 19:26:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:26:48,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:26:48,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:26:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:26:48,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:26:48,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:26:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:26:59,336 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:09,601 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:20,702 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:31,446 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:41,703 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:51,864 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:28:03,497 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:28:13,882 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:28:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 89 states and 193 transitions. [2022-12-14 19:28:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 193 transitions. [2022-12-14 19:28:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:28:24,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:24,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:24,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:28:24,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:28:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:28:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 95 states and 213 transitions. [2022-12-14 19:28:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 213 transitions. [2022-12-14 19:28:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 19:28:28,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:28,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:28:28,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:28:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:28:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 220 transitions. [2022-12-14 19:28:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 220 transitions. [2022-12-14 19:28:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:28:38,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:38,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:38,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:28:38,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:28:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:29:01,906 WARN L233 SmtUtils]: Spent 20.71s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:29:15,046 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:29:38,697 WARN L233 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:29:51,959 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:30:14,776 WARN L233 SmtUtils]: Spent 20.33s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:30:26,100 WARN L233 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:30:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:30:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 101 states and 225 transitions. [2022-12-14 19:30:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 225 transitions. [2022-12-14 19:30:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:30:26,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:30:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:30:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:30:26,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:30:26,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:30:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:30:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:30:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 252 transitions. [2022-12-14 19:30:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 252 transitions. [2022-12-14 19:30:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:30:39,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:30:39,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:30:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:30:39,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:30:39,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:30:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:30:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:30:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 111 states and 253 transitions. [2022-12-14 19:30:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 253 transitions. [2022-12-14 19:30:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:30:45,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:30:45,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:30:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:30:45,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 19:30:45,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:30:55,664 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:31:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 19:31:32,638 WARN L233 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 33 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:31:53,329 WARN L233 SmtUtils]: Spent 20.11s on a formula simplification. DAG size of input: 35 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:32:04,033 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:32:15,235 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)