./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:56,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:56,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:56,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:56,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:56,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:56,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:56,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:56,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:56,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:56,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:56,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:56,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:56,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:56,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:56,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:56,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:56,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:56,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:56,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:56,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:56,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:56,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:56,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:56,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:56,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:56,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:56,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:56,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:56,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:56,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:56,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:56,468 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:56,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:56,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:56,469 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_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2023-11-23 20:27:56,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:56,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:56,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:56,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:56,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:56,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-23 20:27:59,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:00,179 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:00,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-23 20:28:00,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/data/e7a1c1b91/b0cdd7265e9a438496c43640c19ab2cc/FLAGc2ecd64c2 [2023-11-23 20:28:00,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/data/e7a1c1b91/b0cdd7265e9a438496c43640c19ab2cc [2023-11-23 20:28:00,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:00,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:00,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:00,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:00,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:00,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b95b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00, skipping insertion in model container [2023-11-23 20:28:00,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:00,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:00,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:00,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:00,471 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:00,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00 WrapperNode [2023-11-23 20:28:00,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:00,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:00,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:00,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:00,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,537 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:28:00,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:00,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:00,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:00,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:00,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:00,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:00,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:00,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:00,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:00" (1/1) ... [2023-11-23 20:28:00,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:00,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:00,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:00,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7209774-1875-4018-ac78-dd28b9892508/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:00,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:00,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:01,224 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:01,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:01,292 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:28:01,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:01 BoogieIcfgContainer [2023-11-23 20:28:01,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:01,297 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:01,297 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:01,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:01,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:01" (1/1) ... [2023-11-23 20:28:01,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:28:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:28:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:28:01,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:28:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:28:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:01,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:28:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:28:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:28:01,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:28:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:28:01,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:01,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:02,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:28:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:28:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:02,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:02,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 20:28:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 20:28:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:02,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:02,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 20:28:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:28:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:03,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:03,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 20:28:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 20:28:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:03,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:03,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 20:28:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 20:28:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:28:04,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:04,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:04,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 20:28:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 20:28:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:28:05,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:05,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:05,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 20:28:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 20:28:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:28:06,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:06,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:06,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 20:28:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 20:28:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:07,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:07,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:07,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 237 transitions. [2023-11-23 20:28:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2023-11-23 20:28:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:07,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:07,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:07,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 146 states and 262 transitions. [2023-11-23 20:28:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2023-11-23 20:28:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:09,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:09,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:09,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:09,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 147 states and 263 transitions. [2023-11-23 20:28:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 263 transitions. [2023-11-23 20:28:09,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:09,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:09,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:09,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 153 states and 274 transitions. [2023-11-23 20:28:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2023-11-23 20:28:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:28:10,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:10,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:10,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 300 transitions. [2023-11-23 20:28:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 300 transitions. [2023-11-23 20:28:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:28:13,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:13,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:13,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 173 states and 311 transitions. [2023-11-23 20:28:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 311 transitions. [2023-11-23 20:28:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:28:15,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:15,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:15,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:15,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 183 states and 333 transitions. [2023-11-23 20:28:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 333 transitions. [2023-11-23 20:28:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:28:17,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:17,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:17,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 184 states and 333 transitions. [2023-11-23 20:28:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 333 transitions. [2023-11-23 20:28:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:28:17,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:17,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:17,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 194 states and 357 transitions. [2023-11-23 20:28:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 357 transitions. [2023-11-23 20:28:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:28:19,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:19,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:19,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 205 states and 382 transitions. [2023-11-23 20:28:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 382 transitions. [2023-11-23 20:28:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:28:22,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:22,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:22,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:22,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 216 states and 410 transitions. [2023-11-23 20:28:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 410 transitions. [2023-11-23 20:28:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:28:25,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:25,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:25,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 220 states and 415 transitions. [2023-11-23 20:28:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 415 transitions. [2023-11-23 20:28:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:26,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:26,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:26,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 228 states and 440 transitions. [2023-11-23 20:28:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 440 transitions. [2023-11-23 20:28:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:28,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:28,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:28,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:28,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 232 states and 444 transitions. [2023-11-23 20:28:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 444 transitions. [2023-11-23 20:28:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:28:29,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:29,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:29,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:29,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 239 states and 464 transitions. [2023-11-23 20:28:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 464 transitions. [2023-11-23 20:28:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:28:30,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:30,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:30,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 252 states and 493 transitions. [2023-11-23 20:28:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 493 transitions. [2023-11-23 20:28:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:28:36,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 253 states and 494 transitions. [2023-11-23 20:28:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 494 transitions. [2023-11-23 20:28:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:28:36,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 261 states and 514 transitions. [2023-11-23 20:28:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 514 transitions. [2023-11-23 20:28:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:38,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:38,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 272 states and 538 transitions. [2023-11-23 20:28:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 538 transitions. [2023-11-23 20:28:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:40,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:40,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:40,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 276 states and 542 transitions. [2023-11-23 20:28:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 542 transitions. [2023-11-23 20:28:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:41,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:41,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:41,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 293 states and 576 transitions. [2023-11-23 20:28:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 576 transitions. [2023-11-23 20:28:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:28:46,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:46,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:28:46,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 303 states and 659 transitions. [2023-11-23 20:28:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 659 transitions. [2023-11-23 20:28:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:28:49,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:49,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:49,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:49,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.