./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/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_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9 --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 a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:27:36,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:27:36,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:27:36,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:27:36,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:27:36,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:27:36,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:27:36,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:27:36,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:27:36,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:27:36,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:27:36,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:27:36,416 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:27:36,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:27:36,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:27:36,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:27:36,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:27:36,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:27:36,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:27:36,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:27:36,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:27:36,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:27:36,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:27:36,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:27:36,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:27:36,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:27:36,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:27:36,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:27:36,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:27:36,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:27:36,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:27:36,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:27:36,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:27:36,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:27:36,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:27:36,426 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_a8b06b51-9522-4528-a9d1-f6e866c06459/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 [2023-12-02 23:27:36,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:27:36,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:27:36,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:27:36,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:27:36,679 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:27:36,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2023-12-02 23:27:39,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:27:39,610 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:27:39,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2023-12-02 23:27:39,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/data/aa68f844e/a381fba03f5344cc8b0bc41da2fa3c75/FLAG3cd755495 [2023-12-02 23:27:39,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/data/aa68f844e/a381fba03f5344cc8b0bc41da2fa3c75 [2023-12-02 23:27:39,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:27:39,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:27:39,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:27:39,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:27:39,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:27:39,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0b0590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39, skipping insertion in model container [2023-12-02 23:27:39,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:27:39,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:27:39,848 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:27:39,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:27:39,880 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:27:39,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39 WrapperNode [2023-12-02 23:27:39,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:27:39,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:27:39,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:27:39,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:27:39,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,923 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-12-02 23:27:39,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:27:39,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:27:39,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:27:39,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:27:39,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:27:39,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:27:39,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:27:39,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:27:39,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:27:39" (1/1) ... [2023-12-02 23:27:39,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:27:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:27:39,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:27:39,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b06b51-9522-4528-a9d1-f6e866c06459/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:27:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:27:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:27:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:27:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:27:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:27:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:27:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:27:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:27:40,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:27:40,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:27:40,771 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:27:40,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:27:40,805 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 23:27:40,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:27:40 BoogieIcfgContainer [2023-12-02 23:27:40,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:27:40,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:27:40,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:27:40,815 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:27:40,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:27:40" (1/1) ... [2023-12-02 23:27:40,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:27:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2023-12-02 23:27:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2023-12-02 23:27:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:27:40,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:40,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 217 states and 229 transitions. [2023-12-02 23:27:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2023-12-02 23:27:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:27:41,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 216 states and 228 transitions. [2023-12-02 23:27:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2023-12-02 23:27:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:27:41,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 215 states and 227 transitions. [2023-12-02 23:27:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2023-12-02 23:27:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:27:41,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 214 states and 226 transitions. [2023-12-02 23:27:41,272 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2023-12-02 23:27:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:27:41,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 213 states and 225 transitions. [2023-12-02 23:27:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2023-12-02 23:27:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:27:41,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 212 states and 224 transitions. [2023-12-02 23:27:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2023-12-02 23:27:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:27:41,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,477 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 23:27:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 223 transitions. [2023-12-02 23:27:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2023-12-02 23:27:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:27:41,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,554 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 23:27:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 210 states and 222 transitions. [2023-12-02 23:27:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-12-02 23:27:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:27:41,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,634 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 23:27:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 221 transitions. [2023-12-02 23:27:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2023-12-02 23:27:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:27:41,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,718 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 23:27:41,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 208 states and 220 transitions. [2023-12-02 23:27:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2023-12-02 23:27:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:27:41,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,794 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 23:27:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 207 states and 219 transitions. [2023-12-02 23:27:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2023-12-02 23:27:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:27:41,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:41,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:41,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:27:41,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:27:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 218 transitions. [2023-12-02 23:27:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-12-02 23:27:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:27:42,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:42,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:42,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:42,511 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 23:27:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 217 transitions. [2023-12-02 23:27:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2023-12-02 23:27:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:27:42,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:42,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:27:42,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:27:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 204 states and 216 transitions. [2023-12-02 23:27:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2023-12-02 23:27:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:27:43,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:43,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:27:43,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:43,262 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 23:27:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 206 states and 218 transitions. [2023-12-02 23:27:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-12-02 23:27:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:27:44,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:44,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:44,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:27:44,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:44,182 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 23:27:46,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:27:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 209 states and 223 transitions. [2023-12-02 23:27:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-12-02 23:27:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:27:47,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:47,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:47,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:47,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:47,302 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 23:27:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 214 states and 234 transitions. [2023-12-02 23:27:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 234 transitions. [2023-12-02 23:27:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:27:48,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:48,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:27:48,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:48,170 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 23:27:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 219 states and 245 transitions. [2023-12-02 23:27:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2023-12-02 23:27:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:27:49,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:49,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:27:49,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:49,344 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 23:27:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 225 states and 258 transitions. [2023-12-02 23:27:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2023-12-02 23:27:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:27:50,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:50,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:50,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:27:50,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:42,231 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:34:42,267 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 23:34:52,424 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:34:54,326 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) is different from false [2023-12-02 23:37:19,535 WARN L293 SmtUtils]: Spent 37.90s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:37:42,288 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= c_~counter~0 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)) (<= 0 c_~counter~0))) is different from true [2023-12-02 23:37:52,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:39:40,518 WARN L293 SmtUtils]: Spent 26.69s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:39:45,935 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= 0 |c_ULTIMATE.start_main_#t~post6#1|) (<= |c_ULTIMATE.start_main_#t~post6#1| 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)))) is different from true [2023-12-02 23:39:55,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:40:05,997 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:42:34,220 WARN L293 SmtUtils]: Spent 27.69s on a formula simplification. DAG size of input: 22 DAG size of output: 20 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:42:39,825 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= |c_ULTIMATE.start_main_#t~post6#1| 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)))) is different from true