./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:51:10,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:51:10,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:51:10,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:51:10,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:51:10,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:51:10,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:51:10,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:51:10,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:51:10,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:51:10,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:51:10,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:51:10,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:51:10,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:51:10,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:51:10,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:51:10,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:51:10,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:51:10,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:51:10,111 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:51:10,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:51:10,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:51:10,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:51:10,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:51:10,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:51:10,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:51:10,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:10,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:51:10,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:51:10,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:51:10,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:51:10,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:51:10,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:51:10,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-12-02 21:51:10,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:51:10,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:51:10,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:51:10,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:51:10,362 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:51:10,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2023-12-02 21:51:13,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:51:13,276 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:51:13,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2023-12-02 21:51:13,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/data/5d81bc928/bf86c4f4d2a74e188e1cc85eb6b81d2a/FLAG7b63a7e96 [2023-12-02 21:51:13,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/data/5d81bc928/bf86c4f4d2a74e188e1cc85eb6b81d2a [2023-12-02 21:51:13,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:51:13,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:51:13,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:13,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:51:13,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:51:13,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433bcefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13, skipping insertion in model container [2023-12-02 21:51:13,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:51:13,479 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586] [2023-12-02 21:51:13,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:13,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:51:13,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586] [2023-12-02 21:51:13,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:13,533 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:51:13,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13 WrapperNode [2023-12-02 21:51:13,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:13,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:13,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:51:13,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:51:13,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,566 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 21:51:13,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:13,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:51:13,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:51:13,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:51:13,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:51:13,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:51:13,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:51:13,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:51:13,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:13,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:51:13,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:51:13,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96399606-7deb-4075-a81c-bcdd213b166a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:51:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:51:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:51:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:51:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:51:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:51:13,708 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:51:13,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:51:13,804 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:51:13,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:51:13,838 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:51:13,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:13 BoogieIcfgContainer [2023-12-02 21:51:13,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:51:13,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:51:13,841 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:51:13,848 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:51:13,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:13" (1/1) ... [2023-12-02 21:51:13,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:51:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-02 21:51:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-02 21:51:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:51:13,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:14,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:51:14,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:14,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:51:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-02 21:51:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-02 21:51:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:51:14,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:14,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:14,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:51:14,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:51:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions. [2023-12-02 21:51:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-02 21:51:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:51:14,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:14,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:51:14,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:51:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions. [2023-12-02 21:51:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 21:51:15,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:51:15,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:15,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:15,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:51:15,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:51:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions. [2023-12-02 21:51:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-12-02 21:51:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:51:15,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:15,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:51:15,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:16,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:51:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions. [2023-12-02 21:51:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-12-02 21:51:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:51:16,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:17,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:51:17,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:51:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 56 transitions. [2023-12-02 21:51:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-12-02 21:51:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:51:18,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:18,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 21:51:18,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:51:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 80 transitions. [2023-12-02 21:51:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-12-02 21:51:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:51:23,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:23,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:51:23,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:51:25,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 86 transitions. [2023-12-02 21:51:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-02 21:51:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:51:25,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:25,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:25,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:51:25,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-02 21:51:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 93 transitions. [2023-12-02 21:51:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2023-12-02 21:51:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:51:29,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:29,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:51:29,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 23 proven. 46 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 21:51:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 95 transitions. [2023-12-02 21:51:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-12-02 21:51:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:51:32,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:32,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:51:32,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 32 proven. 62 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 21:51:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 102 transitions. [2023-12-02 21:51:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 102 transitions. [2023-12-02 21:51:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:51:38,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:38,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:51:38,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:51:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 111 transitions. [2023-12-02 21:51:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2023-12-02 21:51:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:51:46,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:46,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:51:46,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-02 21:51:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 119 transitions. [2023-12-02 21:51:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2023-12-02 21:51:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:51:54,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:54,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:51:54,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 33 proven. 95 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-02 21:52:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 121 transitions. [2023-12-02 21:52:00,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2023-12-02 21:52:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:52:00,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:00,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:52:00,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 51 proven. 102 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-02 21:52:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 67 states and 129 transitions. [2023-12-02 21:52:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-12-02 21:52:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:52:11,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:11,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:11,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:52:11,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 37 proven. 101 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 21:52:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 130 transitions. [2023-12-02 21:52:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2023-12-02 21:52:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:52:17,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:17,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:17,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:52:17,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 42 proven. 127 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-02 21:52:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 71 states and 137 transitions. [2023-12-02 21:52:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-12-02 21:52:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:52:29,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:29,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:29,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:52:29,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 59 proven. 128 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-12-02 21:52:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 72 states and 139 transitions. [2023-12-02 21:52:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 139 transitions. [2023-12-02 21:52:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:52:41,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:41,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:41,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:52:41,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 63 proven. 160 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 21:52:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 75 states and 148 transitions. [2023-12-02 21:52:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2023-12-02 21:52:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:52:57,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:57,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:57,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:52:57,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 67 proven. 157 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-12-02 21:53:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 76 states and 149 transitions. [2023-12-02 21:53:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2023-12-02 21:53:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:53:10,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:11,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:53:11,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 73 proven. 208 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:53:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 79 states and 157 transitions. [2023-12-02 21:53:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2023-12-02 21:53:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:53:30,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:30,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 21:53:30,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-12-02 21:53:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 158 transitions. [2023-12-02 21:53:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2023-12-02 21:53:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:53:44,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:44,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:44,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:53:44,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 82 proven. 224 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-12-02 21:53:59,902 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 252 DAG size of output: 247 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:54:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 83 states and 166 transitions. [2023-12-02 21:54:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-12-02 21:54:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:54:09,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:09,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:54:09,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 103 proven. 225 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-12-02 21:54:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 180 transitions. [2023-12-02 21:54:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 180 transitions. [2023-12-02 21:54:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:54:33,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:33,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:34,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:54:34,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 82 proven. 224 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-12-02 21:54:50,324 WARN L293 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 244 DAG size of output: 213 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:54:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 90 states and 181 transitions. [2023-12-02 21:54:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 181 transitions. [2023-12-02 21:54:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:54:54,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:54,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:54:54,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 113 proven. 263 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-12-02 21:55:12,425 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 245 DAG size of output: 241 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:55:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 93 states and 188 transitions. [2023-12-02 21:55:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2023-12-02 21:55:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:55:23,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:23,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:55:23,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-12-02 21:55:39,870 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 279 DAG size of output: 275 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:55:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 190 transitions. [2023-12-02 21:55:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 190 transitions. [2023-12-02 21:55:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:55:45,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:45,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:45,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:55:45,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 77 proven. 324 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 21:56:05,738 WARN L293 SmtUtils]: Spent 7.38s on a formula simplification. DAG size of input: 311 DAG size of output: 308 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:56:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 97 states and 198 transitions. [2023-12-02 21:56:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 198 transitions. [2023-12-02 21:56:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:56:18,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:18,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:18,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:56:18,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 75 proven. 327 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-02 21:56:44,861 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification. DAG size of input: 272 DAG size of output: 270 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:56:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 103 states and 211 transitions. [2023-12-02 21:56:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 211 transitions. [2023-12-02 21:56:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:56:52,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:52,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:56:52,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 75 proven. 327 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-12-02 21:57:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 104 states and 211 transitions. [2023-12-02 21:57:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 211 transitions. [2023-12-02 21:57:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:57:06,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:06,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:06,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:57:06,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 65 proven. 336 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 21:57:26,404 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 298 DAG size of output: 273 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:57:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 105 states and 212 transitions. [2023-12-02 21:57:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 212 transitions. [2023-12-02 21:57:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:57:31,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:31,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:57:31,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 71 proven. 346 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-12-02 21:57:54,752 WARN L293 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 344 DAG size of output: 338 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:58:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:10,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 108 states and 220 transitions. [2023-12-02 21:58:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 220 transitions. [2023-12-02 21:58:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:58:10,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:10,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:10,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:58:10,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 71 proven. 346 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-12-02 21:58:32,798 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 310 DAG size of output: 302 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:58:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 109 states and 221 transitions. [2023-12-02 21:58:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 221 transitions. [2023-12-02 21:58:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:58:40,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:40,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:40,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:58:40,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 76 proven. 393 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-12-02 21:59:08,840 WARN L293 SmtUtils]: Spent 11.06s on a formula simplification. DAG size of input: 343 DAG size of output: 335 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:59:16,589 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 336 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:59:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 112 states and 228 transitions. [2023-12-02 21:59:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 228 transitions. [2023-12-02 21:59:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:59:26,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:26,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:26,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:59:26,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 76 proven. 393 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-12-02 21:59:54,750 WARN L293 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 379 DAG size of output: 373 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:00:03,567 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 374 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:00:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 113 states and 230 transitions. [2023-12-02 22:00:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 230 transitions. [2023-12-02 22:00:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 22:00:04,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:04,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:04,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 22:00:04,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 136 proven. 466 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-02 22:00:42,430 WARN L293 SmtUtils]: Spent 17.86s on a formula simplification. DAG size of input: 420 DAG size of output: 413 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:00:52,553 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 414 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:01:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 116 states and 238 transitions. [2023-12-02 22:01:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 238 transitions. [2023-12-02 22:01:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 22:01:03,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:03,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:03,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 22:01:03,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 81 proven. 443 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2023-12-02 22:01:35,753 WARN L293 SmtUtils]: Spent 14.46s on a formula simplification. DAG size of input: 382 DAG size of output: 373 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:01:47,535 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 374 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:01:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 239 transitions. [2023-12-02 22:01:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 239 transitions. [2023-12-02 22:01:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 22:01:48,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:48,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:48,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 22:01:48,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 86 proven. 496 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-12-02 22:02:29,598 WARN L293 SmtUtils]: Spent 16.99s on a formula simplification. DAG size of input: 460 DAG size of output: 451 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:02:41,658 WARN L293 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 452 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:02:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 120 states and 247 transitions. [2023-12-02 22:02:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 247 transitions. [2023-12-02 22:02:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 22:02:53,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:53,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 22:02:53,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 85 proven. 542 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-12-02 22:03:38,226 WARN L293 SmtUtils]: Spent 20.56s on a formula simplification. DAG size of input: 420 DAG size of output: 411 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:03:51,252 WARN L293 SmtUtils]: Spent 9.62s on a formula simplification that was a NOOP. DAG size: 412 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:03:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 121 states and 248 transitions. [2023-12-02 22:03:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 248 transitions. [2023-12-02 22:03:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 22:03:51,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:52,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 22:03:52,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 146 proven. 587 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-12-02 22:04:41,340 WARN L293 SmtUtils]: Spent 24.09s on a formula simplification. DAG size of input: 462 DAG size of output: 451 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:04:57,806 WARN L293 SmtUtils]: Spent 12.67s on a formula simplification that was a NOOP. DAG size: 452 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:05:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 124 states and 255 transitions. [2023-12-02 22:05:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 255 transitions. [2023-12-02 22:05:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 22:05:11,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:11,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:05:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:12,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 22:05:12,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 91 proven. 552 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-12-02 22:05:58,318 WARN L293 SmtUtils]: Spent 20.03s on a formula simplification. DAG size of input: 502 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:06:12,912 WARN L293 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 494 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:06:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 125 states and 257 transitions. [2023-12-02 22:06:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 257 transitions. [2023-12-02 22:06:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 22:06:13,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:06:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:13,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 22:06:13,784 INFO L285 TraceCheckSpWp]: Computing forward predicates...